Shared Flashcard Set

Details

Male Pelvic Organs
N/A
55
Anatomy
Graduate
01/29/2012

Additional Anatomy Flashcards

 


 

Cards

Term
What prevents reflux of urine into the ureter
Definition
Pressure from a filling bladder due to oblique entry of ureter into bladder and detrusor muscle contraction
Term
Passage of a kidney stone produces pain in what regions?
Definition
Loin to groin
Term
What autonomic fibers carry innervation for the ureters?
Definition
T11-L2
Term
Where does the urinary bladder receive the ureters?
Definition
Angles of the smooth-walled trigone
Term
What are the parts of the bladder?
Definition
Apex, body, fundus, neck
Term
What separates the urinary bladder from the pubic bones?
Definition
Retropubic space
Term
What condensation of parietal pelvic fascia supports the bladder?
Definition
Pubovesical ligaments (females), puboprostatic ligaments (males)
Term
What supplies blood to the bladder?
Definition
Superior and inferior vesical arteries (vaginal artery in females)
Term
The superior vesical arterie is a branch off of what artery?
Definition
Umbilical artery
Term
The inferior vesical/vaginal artery supplies blood to what portion of the bladder?
Definition
Fundus and neck of the bladder
Term
In males, the vesical venous plexus is continuous with what other plexus?
Definition
Prostatic venous plexus
Term
The vesical venous plexus and prostatic venous plexus drains blood from what structures in males?
Definition
Fundus of the bladder, prostates, seminal vesicles, ductus deferens, penis
Term
What are the roots for the sympathetic fibers that innervate the bladder?
Definition
T11-L2
Term
What are the roots for the parasympathetic fibers that innervate the bladder?
Definition
S2-4 via inferior hypogastric plexus
Term
The urethra traverses the prostate gland as what?
Definition
Prostatic urethra
Term
The membranous portion of the male urethra in the deep perineal pouch is surrounded by what?
Definition
External urethral sphincter
Term
Where is sperm produced?
Definition
Seminiferous tubules of the testes
Term
Where is sperm stored?
Definition
Body of the epididymis of the testes
Term
The closed peritoneal sac covering the testes is known as what?
Definition
Tunica vaginalis
Term
The tough outer surface of the testes is known as what?
Definition
Tunica albuginea
Term
What fibromuscular band attaches to the caudal pole of the testes and guides their descent to the future scrotum during development?
Definition
Gubnaculum testes
Term
What suspends the testes in the scrotum?
Definition
Spermatic cords
Term
What are the contents of the spermaitc cord?
Definition
Ductus (vas) deferens, blood vessels, nerves, lymphatics
Term
What supplies blood to the testes?
Definition
Testicular artery from the abdominal aorty at L2
Term
What drains blood from the testes?
Definition
Pampiniform plexus becomes the testicular vein at the deep inguinal ring
Term
Where do the right and left testicular veins drain into?
Definition
Inferior vena cava and left renal vein respectively
Term
Elongation and dilation of the pampiniform plexus of veins due to defective valves is known as what?
Definition
Varicocoele of spermatic cord ("bag of worms")
Term
How is hydrocoele within the cavity of the tunica vaginalis detectable?
Definition
Reddish glow upon transillumination
Term
A sperm filled cyst near the head of the epididymis is known as what/
Definition
Spermatocoele
Term
Where does lymph drain to from the testes?
Definition
Lateral (para-aortic) nodes
Term
The tail of the epididymis becomes what structure?
Definition
Vas deferens
Term
What transmits spermatosoa from their storage site in the body of the epididymus to the ejaculatory duct?
Definition
Ductus deferens
Term
Where does the ductus deferens enter the abdominal cavity?
Definition
Inguinal canal
Term
The artery to the ductus deferens usually arises from where?
Definition
Superior vesical artery
Term
The ductus deferens ends when it joins what other structure?
Definition
Duct of the seminal vesicle, forms the ejaculatory duct
Term
The enlarged terminal portion of the ejactulatory duct is known as what?
Definition
Ampulla of the ductus deferens
Term
The tortuous, coiled tube with numerous dilations between the fundus of the bladder and the rectum is known as what?
Definition
Seminal vesicle
Term
What do the seminal vesicles contribute to the seminal fluid?
Definition
Thick, alkaline fluid containing fructose
Term
The ejaculatory duct traverses the posterior part of the prostate to separate it into what divisions?
Definition
Middle lobe and posteriorlobe
Term
Where does the ejaculatory duct open into the prostatic urethra?
Definition
Seminal colliculus near the prostatic utricle
Term
What produces a thin, milky fluid containing citric acid and acid phosphatase to seminal fluid at the time of ejaculation?
Definition
Prostate
Term
Why is prostatic fluid alkaline?
Definition
Helps neutralize the acidity of the vagina
Term
What are the divisions of the prostate gland?
Definition
Anterior muscular zone (anterior lobe), right and left lobes
Term
Each prostate gland lobe has what lobule divisions?
Definition
Inferposterior lobule, inferolateral lobule, superomedial lobule, anteromedial lobule
Term
What does prostate cancer arising in the posterior lobe tend to obstruct?
Definition
Urinary flow
Term
Prostate cancer usually affects what parts of the prostate?
Definition
Peripheral zones (posterior and lateral lobes)
Term
Lymphatic drainage of the prostate is mainly via what nodes?
Definition
Internal iliac nodes
Term
What is a potential risk in undergoing a prostatectomy?
Definition
Damage to the parasympathetic prostatic nerve plexus may cause impotency
Term
The transverse rectal folds used to support fecal matter in the rectum are known as what?
Definition
Valves of Houston
Term
Describe how the rectum is covered by peritoneum
Definition
Upper 1/3 covered anteriorly and medially, middle 1/3 only anteriorly, lower 1/3 not covered
Term
What controls the internal anal sphincter?
Definition
Contracts under sympathetic control, relaxes under parasympathetic control
Term
What innervates the voluntary external anal sphincter?
Definition
Inferior rectal nerves (S4)
Term
What supplies blood to the rectum?
Definition
Superior, middle, and inferior rectal arteries
Term
Where do the superior and inferior rectal arteries branch from?
Definition
Inferior mesenteric and internal pudendal arteries respectively
Term
Of the superior, middle, and inferior rectal veins, which drains into the portal venous system via the inferior mesenteric vein instead of the caval venous system?
Definition
Superior rectal vein
Supporting users have an ad free experience!