| Term 
 
        | What is evaluated when considering the birth canal? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What are the 5 components of pelvimetry? |  | Definition 
 
        | Transverse diameter, Conjugate diameter, Vertical diameter, Pelvic inclination, Pelvic axis |  | 
        |  | 
        
        | Term 
 
        | What is the Cr most part of the pelvic symphysis? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is the V enlargement of S1? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Where is the transverse diameter widest in the mare? |  | Definition 
 
        | Between or just above acetabula |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Line extending from pecten to sacral promontory |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Pecten of pubis to V surface of sacrum or Cd 1 vert |  | 
        |  | 
        
        | Term 
 
        | The vertical diameter is usually ____ to the pelvic floor. |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | Angle subtended @ the pecten of the pubis by the conjugate & vertical diameters |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Median line drawn btw pelvic surface of sacrum & D surface of pelvic symphysis |  | 
        |  | 
        
        | Term 
 
        | What component of pelvimetry defines the midpoint? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Is a straight or curved pelvic axis better for parturition? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Compared to the ox, the horse has a ____ ischial tuberosity & ischial spine. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The horse has a ____ sacrotuberous lig., whereas the dog has a ____ one. |  | Definition 
 
        | Well developed broad; less developed |  | 
        |  | 
        
        | Term 
 
        | In the mare, the pelvic entrance is ___ & ___. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | In the stallion, the pelvic entrance is ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The pelvic floor in the mare is ____ & ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The ____ of the pelvic cavity is nearly straight. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | In the mare, the features of the pelvis are in accord w/ ______. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | In the mare, the ____ walls of the pelvis have ______ than in the dog or ox. |  | Definition 
 
        | Lateral; more soft tissue |  | 
        |  | 
        
        | Term 
 
        | The pelvic cavity in the mare is relatively _____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The mare has a generally _______ pelvic axis. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The pelvic exit in the mare is relatively ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Describe the scrotum of the stallion. |  | Definition 
 
        | Globular w/ no distinct neck; tightly encloses the testis |  | 
        |  | 
        
        | Term 
 
        | Testes of the stallion are relatively ____ in the scrotum. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The testes of the stallion are ____ to the ____ end of the pelvis. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Can the scrotum of the stallion be seen from a Cd view? Why/why not? |  | Definition 
 
        | No; high between the thighs |  | 
        |  | 
        
        | Term 
 
        | The scrotum of the stallion has ____ hair, & ____ look & feel (____). |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is btw the 2 halves of the scrotum in the stallion? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What artery supplies the scrotum in the stallion? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What type of castration separates the skin & external spermatic fascia from the cremasteric fascia? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What are the tissue layers of the stallion's scrotum, from external to internal? |  | Definition 
 
        | Skin, Dartos (tunica dartos), External Spermatic fascia, Cremasteric Fascia, Internal Spermatic fascia |  | 
        |  | 
        
        | Term 
 
        | What is the tunica dartos composed of? |  | Definition 
 
        | Fibroelastic tissue & smooth m. |  | 
        |  | 
        
        | Term 
 
        | Is the tunica dartos easy or difficult to separate from the skin of the scrotum? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | In the midline, the dartos forms the _____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What attaches the dartos to the spermatic sac/vaginal tunic? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The scrotal lig. attaches _____ to ____. |  | Definition 
 
        | Dartos; Spermatic Sac (Vaginal tunic) |  | 
        |  | 
        
        | Term 
 
        | The external spermatic fascia is derived from _____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The cremasteric fascia is derived from ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The internal spermatic fascia is derived from ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The vaginal tunic is a diverticulum of the ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | How does the external spermatic fascia attaches  to the dartos? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The cremasteric m. arises from the ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | In closed castration, one does not enter the _____. |  | Definition 
 
        | Vaginal cavity of vaginal tunic |  | 
        |  | 
        
        | Term 
 
        | The internal spermatic fascia adheres ____ to the _____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The cavity of the vaginal tunic is directly continuous w/ the _____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is the nerve supply to the scrotum? |  | Definition 
 
        | V br's of L2&3 spinal nn.; a little from preputial & scrotal br. of pudendal n. |  | 
        |  | 
        
        | Term 
 
        | Scrotal/_____ lnn. lie around the ____. |  | Definition 
 
        | Superficial Inguinal; spermatic cord |  | 
        |  | 
        
        | Term 
 
        | Describe the shape of the testis. |  | Definition 
 
        | Rounded or oval; Flattened mediolaterally |  | 
        |  | 
        
        | Term 
 
        | The testis has a ____ long axis. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The spermatic cord is _____ to the long axis of the testis. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The mediastinum testis is ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The epididymis lies on the ______ of the testis |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 
        | The Caput Epididymis projects a little beyond _____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The Cauda Epididymis projects more ____ beyond the ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Describe the lig. of the tail of the epididymis. |  | Definition 
 
        | Well-formed; Attaches tail to vaginal tunic |  | 
        |  | 
        
        | Term 
 
        | What attaches the tail of the epididymis to the caudal pole of the testis? |  | Definition 
 
        | Proper lig. of the testis |  | 
        |  | 
        
        | Term 
 
        | What must be transected post-mortem to free the epididymis from the testis? |  | Definition 
 
        | Proper lig. of the testis |  | 
        |  | 
        
        | Term 
 
        | The deferent duct leaves the tail of the epididymis & ascends the _____ as part of the ____. |  | Definition 
 
        | Inguinal canal; Spermatic cord |  | 
        |  | 
        
        | Term 
 
        | What is the main blood supply to the testis & epididymis? |  | Definition 
 
        | Testicular (Spermatic) a. |  | 
        |  | 
        
        | Term 
 
        | What does the testicular/spermatic a. arise from? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The testicular a. is on the ____ border of the spermatic cord. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The testicular a. is ____ as it approaches the testis. (an equine peculiarity) |  | Definition 
 
        | Tortuous (Tortuous br's on surfaces of testis*) |  | 
        |  | 
        
        | Term 
 
        | Where does the testicular a. send branches? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What do vv. form around the testicular a. after leaving the testis? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What does the pampiniform plexus have to prevent back-flow? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What vein is free from the pampiniform plexus, high up in the inguinal canal? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What blood vessel(s) run alongside the DD? |  | Definition 
 
        | Cremasteric/Deferent a. & v. |  | 
        |  | 
        
        | Term 
 
        | What large structures accompany the testicular & deferent vv.? Where do they go? |  | Definition 
 
        | Lymphatic vessels; Medial iliac ln. |  | 
        |  | 
        
        | Term 
 
        | What color is the parenchyma of the testis/epididymis? |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | Scrotal skin & vaginal process incised |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Only scrotal skin incised; Transect distal to a ligature, or emasculate |  | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is retained w/ sterilization? |  | Definition 
 
        | Testis & Libido (Testosterone still produced) |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Vaginal process opened, Ligature btw tail of epididymis & body & DD; Remove intervening tail tissue |  | 
        |  | 
        
        | Term 
 
        | How does removing the tail of the epididymis sterilize the horse? |  | Definition 
 
        | Spermatozoa don't enter DD & can't be carried to exterior |  | 
        |  | 
        
        | Term 
 
        | How many accessory sex glands does the horse have? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is the enlarged terminal part of the DD? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What accessory sex gland is best developed in the horse? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is the ejaculatory duct? |  | Definition 
 
        | The common duct of the ampulla of the DD & the ipsilateral vesicular gland |  | 
        |  | 
        
        | Term 
 
        | Describe the ejaculatory duct. Where does it open? |  | Definition 
 
        | Short; side of the seminal colliculus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | D mound-like feature of initial part of urethra |  | 
        |  | 
        
        | Term 
 
        | The ampulla of the DD has many _____ which secrete a lot of _____. |  | Definition 
 
        | Tubular glands; Seminal Fluid |  | 
        |  | 
        
        | Term 
 
        | The accessory sex glands are all within the _____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Are the accessory sex glands palpable per rectum? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Which accessory sex glands are palpable per rectum? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Name the accessory sex glands. |  | Definition 
 
        | Seminal Vesicle, DD, Prostate, Bulbourethral, Ampulla of DD |  | 
        |  | 
        
        | Term 
 
        | Unlike in other species, the equine vesicular gland is ______. |  | Definition 
 
        | A true vesicle, being sac-like |  | 
        |  | 
        
        | Term 
 
        | What is the shape of the seminal vesicle? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The vesicular gland lies on the ___ side of the ___, within the ____. |  | Definition 
 
        | D; Urinary Bladder; Genital Fold |  | 
        |  | 
        
        | Term 
 
        | The vesicular gland has a ___ wall. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The vesicular gland has ___ & ___ coats. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The seminal vesicle has ____ membrane containing ____ glands. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The neck of the vesicular gland dips beneath the ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What part(s) of the prostate gland does the horse have? |  | Definition 
 
        | Body (no pars disseminata) |  | 
        |  | 
        
        | Term 
 
        | Describe the prostate gland. Where does it lie? |  | Definition 
 
        | Discrete, compact, lying across neck of UB & beginning of pelvic urethra; Obvious lobulation present |  | 
        |  | 
        
        | Term 
 
        | What connects the L & R lobes of the prostate? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Describe the isthmus of the prostate. |  | Definition 
 
        | Flimsy; overlies terminal parts of vesicular glands & ducti deferenta |  | 
        |  | 
        
        | Term 
 
        | The prostate is ____ to the pelvic urethra. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Equine prostate gland is next in relative size to that of _____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Prostate: Up to ____ ducts, opening separately on either side of the ______. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is the shape of the bulbourethral gland? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Where is the bulbourethral gland? |  | Definition 
 
        | D end of pelvic urethra (as it turns around the ischial arch); (end of pelvic/beginning of penile urethra) |  | 
        |  | 
        
        | Term 
 
        | Describe the bulbourethral gland. |  | Definition 
 
        | Small; completely covered by bulboglandularis m. |  | 
        |  | 
        
        | Term 
 
        | The bulbourethral gland has ___ ducts opening into the ___ part of the urethra. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What are the parts of the urethra? |  | Definition 
 
        | Pelvic & Extrapelvic (Spongiose) |  | 
        |  | 
        
        | Term 
 
        | The pelvic urethra is a direct, non-demarcated continuation of the _____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The D surface of the pelvic urethra is largely covered by ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The urethra is invested, except at the origin, by the ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | In the internal surface of the stallion's urethra shows a ___ & ___ hillock (the ___). |  | Definition 
 
        | M & D; Colliculus Seminalis |  | 
        |  | 
        
        | Term 
 
        | What may be seen to open centrally through the seminal colliculus? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What line the sides of the ejaculatory ducts? How many are there? |  | Definition 
 
        | Prostatic Orifices; up to 20 |  | 
        |  | 
        
        | Term 
 
        | The ducts of the bulbourethral glands are more ____, & on either side of the ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Dorsolaterally, in the same region as the ducts of the bulbourethral glands, there are _____. |  | Definition 
 
        | Ducts of the lateral urethral glands (tubuloalveolar glands in the mucosa) |  | 
        |  | 
        
        | Term 
 
        | Where does the penis arise from? By what? |  | Definition 
 
        | Ischial arch, by L & R crura |  | 
        |  | 
        
        | Term 
 
        | What are the 2 main parts of the body of the penis? |  | Definition 
 
        | Corpus spongiosum penis & corpora cavernosum penis |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Large cylindrical organ ~5cm in diameter; Short when not erect (~45cm) |  | 
        |  | 
        
        | Term 
 
        | The _____ penis surrounds the urethra. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | How many corpora cavernosum are there? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Where do the corpora cavernosum arise from? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The corpora cavernosum penis fuse to form a _____ which is the ____ part of the penis, extending to the tip of the organ. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | the corpus cavernosum penis consists largely of ______ oriented _____ in the ____, w/ large _____ spaces. |  | Definition 
 
        | Smooth m.; Longitudinally; Trabeculae; Cavernous |  | 
        |  | 
        
        | Term 
 
        | What type of penis does the horse have? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The penis, due to its ability to expand, increases considerably in both ____ & ___ @ ____. |  | Definition 
 
        | Length & Diameter @ Erection |  | 
        |  | 
        
        | Term 
 
        | The smooth mm. of the penis are in a state of _____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is the function of the tonic contraction of the smooth mm. of the penis? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The smooth mm. of the corpus cavernosum penis are under ____ innervation; erection is due to ____ activity. |  | Definition 
 
        | Sympathetic; Parasympathetic |  | 
        |  | 
        
        | Term 
 
        | The urethra & corpus spongiosum penis are ___ to the _____ & are outside the ____. |  | Definition 
 
        | V; Corpus cavernosum penis; Tunica Albuginea |  | 
        |  | 
        
        | Term 
 
        | Does the tunica albuginea enclose the corpus spongiosum? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What type of penis do pigs & ruminants have? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What encloses the corpus spongiosum throughout its length? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The transverse fibers of the bulbospongiosus m. bridge the _______. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Is the retractor penis m. smooth or striated? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Is the bulbospongiosus m. smooth or striated? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Where does the retractor penis m. course? |  | Definition 
 
        | The entire V part of the body of the penis |  | 
        |  | 
        
        | Term 
 
        | The retractor penis m. dips btw the transverse fibers of the ____, to lie ____ to it, close to the ___ part of the penis. |  | Definition 
 
        | Bulbospongiosus m., D, terminal |  | 
        |  | 
        
        | Term 
 
        | Comment on the size of the glans penis. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is the erectile tissue of the glans penis an extension of? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The erectile tissue of the glans penis caps the ___ end of the ____. |  | Definition 
 
        | Distal; Corpus cavernosum penis |  | 
        |  | 
        
        | Term 
 
        | How many main parts does the glans penis have? Name them. |  | Definition 
 
        | 3; Corona Glandis; D Process of the Glans; Collum (Neck) Glandis |  | 
        |  | 
        
        | Term 
 
        | What links the corona glandis to the D process of the glans? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The free part of the penis is ___ rather than ___. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is the terminal part of the penis? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Does the horse have an os penis? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The urethra ends as the ____. |  | Definition 
 
        | Cylindrical Urethral Process |  | 
        |  | 
        
        | Term 
 
        | What recess surrounds the urethral process? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Where does the urethral process project? |  | Definition 
 
        | Only a little beyond the glans |  | 
        |  | 
        
        | Term 
 
        | What is the D diverticulum of the fossa glandis? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What part of the penis may contain smegma/the bean? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Do the pig & dog have a urethral process? |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | Desquamated epithelial cells, dirt, bacteria, fat |  | 
        |  | 
        
        | Term 
 
        | What does "the bean" present like? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is a characteristic equine feature of the prepuce? |  | Definition 
 
        | 2 folds (1 telescoping into the other) |  | 
        |  | 
        
        | Term 
 
        | The inner fold of the prepuce is the _____, w/ ____ as orifice. |  | Definition 
 
        | Preputial fold; Preputial Ring |  | 
        |  | 
        
        | Term 
 
        | Which preputial fold is extra/not seen in other domestic species? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Which preputial fold has the main opening? What is it called? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is the usual orifice in the prepuce of all species? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What happens to the preputial folds at erection? |  | Definition 
 
        | Both pulled over elongated shaft of penis |  | 
        |  | 
        
        | Term 
 
        | What is the function of the Cr & Cd preputial mm? |  | Definition 
 
        | Cr: Protract; Cd: Retract the prepuce |  | 
        |  | 
        
        | Term 
 
        | What animal has the best developed preputial mm? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Does the stallion have preputial mm? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is the main blood supply to the penis? (What does it come from?) |  | Definition 
 
        | a. of the penis (from internal pudendal a.) |  | 
        |  | 
        
        | Term 
 
        | The internal pudendal a. is a branch of the ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What are the 3 br's of the a. of the penis? |  | Definition 
 
        | Deep a. of the penis, D a. of the penis, a. of the bulb |  | 
        |  | 
        
        | Term 
 
        | Where does the deep a. of the penis go? |  | Definition 
 
        | To the erectile tissue (corpora spongiosum & cavernosum) @ the root of the penis |  | 
        |  | 
        
        | Term 
 
        | Where does the D a. of the penis go? |  | Definition 
 
        | to the D surface of the penis |  | 
        |  | 
        
        | Term 
 
        | Where does the a. of the bulb go? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What are the 3 aa. that supply the penis? |  | Definition 
 
        | a. of the penis, obturator a., external pudendal a. |  | 
        |  | 
        
        | Term 
 
        | Which artery supplying the penis is an equine peculiarity? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The external pudendal a. provides the _____ in the stallion. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Venous drainage is usually @ the ___ of the penis. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What vv. drain the penis in most species? |  | Definition 
 
        | Internal Pudendal v. (--> Internal Iliac v.) |  | 
        |  | 
        
        | Term 
 
        | What vv. drain the penis in the horse? |  | Definition 
 
        | Internal pudendal v., Major v. of the external pudendal v. (-->Ext iliac); Obturator v. (--> Int Iliac) |  | 
        |  | 
        
        | Term 
 
        | Where does the external pudendal v. pass? |  | Definition 
 
        | Through the origin of the gracilis m. & pectineus m. |  | 
        |  | 
        
        | Term 
 
        | Only a small division of the external pudendal v. passes through the ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What happens to the external pudendal v. during breeding? |  | Definition 
 
        | Abduction of the hind limbs stretches the mm., constricting the v. |  | 
        |  | 
        
        | Term 
 
        | In non-equine mammals, does the ext. pudendal v. drain the penis? Where does it pass? |  | Definition 
 
        | No; Entirely through the inguinal canal |  | 
        |  | 
        
        | Term 
 
        | Does the obturator v. pass through the m? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | @ erection, what happens to venous return? |  | Definition 
 
        | Impeded to sustain erection |  | 
        |  | 
        
        | Term 
 
        | What a. supplies the prepuce? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What v. drains the prepuce? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Deep inguinal lnn. send efferents to ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What are the main lnn. draining the hindquarters? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What must be done to remove a mummified fetus? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Where are the ovaries located? |  | Definition 
 
        | Sublumbar (under L4 or 5) close to abd roof |  | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 
        | Describe the equine ovary. |  | Definition 
 
        | Very large (largest & longest among domestic species), up to 9cm diameter @ estrus |  | 
        |  | 
        
        | Term 
 
        | What is the shape of the ovary? |  | Definition 
 
        | Bean/kidney-shaped w/ marked concavity on V (non-peritoneal) side |  | 
        |  | 
        
        | Term 
 
        | What is the depression in the ovary? (Equine peculiarity) |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Where are the ovarian follicles? |  | Definition 
 
        | w/i the deep substance of the ovary (not the cortex, like other spp) |  | 
        |  | 
        
        | Term 
 
        | Describe mature ovarian follicles. |  | Definition 
 
        | Only project slightly on ovarian surface, yet up to 7cm in diameter & containing 50-80mL of fluid |  | 
        |  | 
        
        | Term 
 
        | When does a new set of follicles develop? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is formed & persists until ~150 days of pregnancy? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Describe pregnancy after 150 days. |  | Definition 
 
        | Maintained in the absence of corpora lutea |  | 
        |  | 
        
        | Term 
 
        | Describe the ovarian bursa. |  | Definition 
 
        | Shallow peritoneal pocket |  | 
        |  | 
        
        | Term 
 
        | What is the ovarian bursa bounded by? |  | Definition 
 
        | Proper lig. of the ovary & peritoneum medially, Mesosalpinx laterally, Ovary + Mesosalpinx Cr, Uterine Horn Cd |  | 
        |  | 
        
        | Term 
 
        | Where is the opening of the ovarian bursa? |  | Definition 
 
        | V (into peritoneal cavity) |  | 
        |  | 
        
        | Term 
 
        | What is another name for the fallopian tube? |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | Fimbriated, funnel-shaped end |  | 
        |  | 
        
        | Term 
 
        | What is the funnel-shaped end of the uterine tube? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What portions of the oviduct are coiled? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Where is the oviduct fimbriated? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | How does the oviduct join the uterine horn? (Where?) |  | Definition 
 
        | Abruptly, at a sphinctered papilla (at uterotubal junction) |  | 
        |  | 
        
        | Term 
 
        | The mucosa of the oviduct is thrown into _____; also ____ & ____. |  | Definition 
 
        | Longitudinal folds; secondary & tertiary folds |  | 
        |  | 
        
        | Term 
 
        | What is the Cr oviduct called? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is another name for the uterine horn? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Where is the uterine horn? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Describe the uterine horns |  | Definition 
 
        | Flattened T-shape arrangement, oviductal end rounded & blunt; Relatively short |  | 
        |  | 
        
        | Term 
 
        | How is the uterine horn suspended? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The broad lig. has remnant of _____ laterally. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What happens to the uterine horn after pregnancy/parturition? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Describe the mucosa of the uterine horn. |  | Definition 
 
        | Uniform w/ certain slightly raised areas or rings (endometrial cups) |  | 
        |  | 
        
        | Term 
 
        | When do endometrial cups appear more obvious? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is attributed to the endometrial cups? |  | Definition 
 
        | Localized endocrine function |  | 
        |  | 
        
        | Term 
 
        | What is the brown material of varying sizes floating in the amnion or allantois? |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is the function of hippomanes? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What other animals are hippomanes found in? |  | Definition 
 
        | Ox, Sheep, Pig (Mostly Horse) |  | 
        |  | 
        
        | Term 
 
        | Describe the uterine body |  | Definition 
 
        | Almost as long as uterine horns (longest in horse); Large capacity |  | 
        |  | 
        
        | Term 
 
        | Where is the uterine body located? |  | Definition 
 
        | Abd & pelvic placement, in part |  | 
        |  | 
        
        | Term 
 
        | Where does the fetus lie in the pregnant mare? |  | Definition 
 
        | In one uterine horn & the body of the uterus |  | 
        |  | 
        
        | Term 
 
        | What happens occasionally in the pregnant mare w/ the fetus? |  | Definition 
 
        | Carried in the body & both uterine horns equally (transverse presentation) |  | 
        |  | 
        
        | Term 
 
        | Uterine horns gradually move ____ w/ gestation, until they come close to the ___ & ___. |  | Definition 
 
        | Cr; Xiphoid Cartilage & Diaphragm |  | 
        |  | 
        
        | Term 
 
        | What is another name for the neck of the uterus? Where is it located? |  | Definition 
 
        | Cervix uteri; btw cervix & vagina |  | 
        |  | 
        
        | Term 
 
        | Describe the cervical canal. |  | Definition 
 
        | Straight w/ longitudinal folds lining it; Easy to catheterize |  | 
        |  | 
        
        | Term 
 
        | The vaginal part of the cervix uteri is _____, hence conspicuous _____, w/ ____ folds. |  | Definition 
 
        | Rounded; Annular Vaginal Fornix; Radial |  | 
        |  | 
        
        | Term 
 
        | What are the radial folds of the cervix uteri continuous with? |  | Definition 
 
        | Mucosal folds lining the cervical canal |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Vaginal fornix not yet @ estrus |  | 
        |  | 
        
        | Term 
 
        | What is the rounded vaginal part of the annular vaginal fornix? |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | The annular vaginal fornix at estrus |  | 
        |  | 
        
        | Term 
 
        | What part of the vagina is intraperitoneal? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Where is the vagina located? |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | Capacious cavity, lined by mucus membrane thrown into longitudinal folds (continuous w/ those of the cervix) |  | 
        |  | 
        
        | Term 
 
        | What part of the vagina is retroperitoneal? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is the vestibule bounded by? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The Cr border of the vestibule is at the level of the _____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What may be at the level of the urethral orifice in the mare? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The vestibule rises ____ from ___ end. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The external urethral orifice is ____, & predisposed to ____. |  | Definition 
 
        | highly dilatable (short urethra); Prolapse |  | 
        |  | 
        
        | Term 
 
        | Describe the glans clitoridis. |  | Definition 
 
        | Largest in the horse; conspicuous, rounded body |  | 
        |  | 
        
        | Term 
 
        | When is the glans clitoridis exposed? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What surrounds or covers the glans clitoridis? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The vestibule has ___ rows of ___ glands. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The lips of the vulva appose to form ____ & ___ commissures. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | In most mammals, the labial commissure lies @ level of ____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | In certain Thoroughbred lines, the _____ labial commissure is elevated to a ___ position. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What are consequences of the D labial commissure being elevated to a D position? |  | Definition 
 
        | Anus pushed/displaced Cr; Floor of vestibule elevated; Constricture of vulvae becomes inefficient in closing rima vulvae; Fecal Contamination of urogenital tract; Wind-sucking |  | 
        |  | 
        
        | Term 
 
        | When D labial commissure is elevated, a combination of several factors lead to _____. |  | Definition 
 
        | Inflammation, Infection, Infertility/Sterility |  | 
        |  | 
        
        | Term 
 
        | Where is the anus sunken when pushed/displaced Cr? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What happens when the floor of the vestibule is elevated? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Where is the clitoris in the mare? Describe it. |  | Definition 
 
        | In clitoral fossa; All parts (esp glans) well-devo in mare |  | 
        |  | 
        
        | Term 
 
        | What happens to the clitoris during estrus? |  | Definition 
 
        | Protrudes or extrudes periodically ("Winking") |  | 
        |  | 
        
        | Term 
 
        | What are the deep & superficial sinuses of the clitoris? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | How many clitoral sinuses are there in the mare? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What may be harbored in the clitoral sinuses? |  | Definition 
 
        | Contagious equine metritis organisms |  | 
        |  | 
        
        | Term 
 
        | What is the blood supply to the genital tract of the mare? |  | Definition 
 
        | Ovarian a., Uterine a, Vaginal a. |  | 
        |  | 
        
        | Term 
 
        | Where does the ovarian a. branch off from? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What are the br's of the ovarian a.? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The ovarian br. is ____ in mesovarium. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is an equine peculiarity of the ovarian a? |  | Definition 
 
        | Divides into several br's ramifying on ovarian surface |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Large, but not as complexly & intimately intertwined w/ the a. as in other spp. |  | 
        |  | 
        
        | Term 
 
        | Where does the uterine a. derive from? |  | Definition 
 
        | External iliac a (Rarely internal iliac) |  | 
        |  | 
        
        | Term 
 
        | What is the MAIN blood supply to the uterus? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The uterine a. has several br's w/i the _____. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What side is incised for C-sections? Why? |  | Definition 
 
        | Antimesometrial; Less vascular |  | 
        |  | 
        
        | Term 
 
        | Where does the vaginal a. derive from? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What does the vaginal a. supply? |  | Definition 
 
        | Vagina, Cervix, Cd Uterus, UB, Pelvic Urethra |  | 
        |  | 
        
        | Term 
 
        | What supplies the vagina & vestibule, along w/ the vaginal a.? |  | Definition 
 
        | Vestibular br of Internal pudendal a. |  | 
        |  | 
        
        | Term 
 
        | The vv. are ____ of the aa. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | How many mammae does the mare have? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | How are the mammae located, relative to e/o? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Comment on the size of the equine mammae. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Where are the mammae located? |  | Definition 
 
        | Inguinal region, btw the thighs |  | 
        |  | 
        
        | Term 
 
        | What is btw the 2 mammary glands? |  | Definition 
 
        | Longitudinal (Intermammary) Groove |  | 
        |  | 
        
        | Term 
 
        | How are the mammae compressed? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Describe the teat of the mare. |  | Definition 
 
        | Conical, bearing 2 teat orifices (2 main duct systems) |  | 
        |  | 
        
        | Term 
 
        | Describe the skin of the mammae. |  | Definition 
 
        | Has sparse, fine hair, & glistening oily look (sweat glands & sebaceous glands) |  | 
        |  | 
        
        | Term 
 
        | How many mammary glands does each mamma have? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What type of mammae does the mare have? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Describe the suspensory ligg. of the mammae. |  | Definition 
 
        | Elastic M, Fibrous L; less-devo than cow |  | 
        |  | 
        
        | Term 
 
        | What is the main blood source to the mammae? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What vv. drain the mammary glands? |  | Definition 
 
        | External pudendal v. & Superficial Cd epigastric v. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Superficial Cd epigastric v. |  | 
        |  | 
        
        | Term 
 
        | What divides the mammary glands into lobes & lobules? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What are the lnn. of the mammae? |  | Definition 
 
        | Superficial Inguinal/Mammary lnn. |  | 
        |  | 
        
        | Term 
 
        | Describe the mammary lnn. |  | Definition 
 
        | Several, scattered btw V abd wall & mammary gland |  | 
        |  | 
        
        | Term 
 
        | Where do efferents of the mammary lnn. go? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is the cutaneous innervation of the mammae? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What is the udder parenchyma/substance innervated by? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Do the mammae have symp or parasymp innervation? |  | Definition 
 | 
        |  |