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Male repro
lala
36
Anatomy
Undergraduate 2
12/13/2016

Additional Anatomy Flashcards

 


 

Cards

Term
What two products are produced by the testis?
Definition
Sperm & Testosterone
Term
What is the function of the cremaster muscle?
Definition
Lifts scrotum closer to body wall
Skeletal muscle
Term
Where are the seminiferous tubules located?
Definition
Inside the testis
Term
What is the functional significance of the descent of the testis?
Definition
Spermatogenesis will not take place
Term
What does spermatogenesis mean?
Definition
Development of sperm
Term
Where does spermatogenesis occur?
Definition
seminiferous tubules
Term
What specific type of cell division is used during spermatogenesis and oogenesis?
Definition
Meiosis
Term
How many sperm are produced at the end of meiosis?
Definition
4
Term
How many chromosomes does each sperm contain? what is the significant?
Definition
23
22chromosomes in a sperm, 23 chromosomes in an egg
Term
what is the function of the different parts of a mature sperm?
Definition
Head -> Acrosome (Lysosome)
Midpiece -> Mitochondria (produce ATP)
Tail -> Flagellum (motor) (movement)
Term
What is the function of Sertoli cells?
Definition
Supporting & Nourishing developing sperm
Term
Where are Sertoli cells located in relationship to developing sperm cells?
Definition
Seminiferous tubules
Term
What is the location and function of Leydig cells (interstitial cells of testis)
Definition
-In between seminiferous tubules in testes
-Secret Testosterone
Term
Two major functions of epididymis?
Definition
-Storage of sperm
-Maturation of sperm
Term
Functions of vas deferens?
Definition
-Transfer of sperm during ejaculation
Term
What is a vasectomy?
Definition
Cutting the vas deferens
Term
What are the components of the spermatic cord?
Definition
Vas deferens, testicular artery, plexus of veins, cremaster muscle
Term
What does the pampiniform plexus of veins do?
Definition
Network around testicular artery that cools temperature
Term
How is the inguinal canal related to the the travel of the spermatic cord from the scrotum to the abdominal cavity?
Definition
Allows travel from the scrotum to abdomin
Term
What two ducts join to form the ejaculatory duct?
Definition
-Vas deferens
-Seminal vesicle duct
Term
What organ does the pair of ejaculatory ducts travel through?
Definition
prostate gland
Term
Where do the ejaculatory ducts end?
Definition
prostatic urethra
Term
What is the location and function of the seminal vesicles?
Definition
-Posterior urinary bladder
-Holds the liquid that mixes with sperm to make semen
Term
How does their secretion become part of the semen?
Definition
Duct travels down to ejaculatory duct
Term
What is the location and function of the prostate gland?
Definition
-Base, inferior to urinary bladder
-Producing product added to semen
Term
What is the physical relationship of the urethra to the prostate gland?
Definition
Runs right through the prostate gland
Term
What glands are enlarged during the disease BPH (Benign prostatic hypertrophy)? Does hypertrophy indicate a cancer? What is a usual symptom of BPH?
Definition
-Glands within prostate
-No
-Difficulty urinating
Term
Cowper's (bulboerethral glands)
Location and function of secretory product?
Definition
-UG Diaphragm, between prostatic urethra, spongy urethra
-Mucus
Term
What are the 3 parts of the male urethra?
Definition
Prostatic, membranous, spongy
Term
What is the opening of the urethra named? Where is it located?
Definition
Urethral orifice in Glans Penis
Term
Justify the statement that there is "common plumbing for the urinary and reproductive systems in the male."
Definition
-Common path for semen and urine
Term
What are the 3 columns of erectile tissue named?
what is the function of this tissue?
Definition
Corpus spongiosum
corpora cavernosa
-Erection
Term
Where is the penile urethra located?
Definition
Corpus spongiosum / glans penis
Term
Describe the process of an erection
Definition
'P'oint and 'S'hoot. Parasymphathetic and Sympathetic activation.
Term
What tissue is removed during circumcision?
Definition
Prepuce
Term
Name the two pituitary hormones related to spermatogenesis and their functions
Definition
FSH - Responsible for spermatogenesis
LH - Stimulates interstitial cells to synthesize and release testosterone
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