Shared Flashcard Set

Details

Lecture 36
Male Reproductive
29
Anatomy
Undergraduate 2
12/10/2010

Additional Anatomy Flashcards

 


 

Cards

Term
function of the testes
Definition
-sperm/testosterone production
-well vascularized
Term
testes contain
Definition
-seminiferous tubules
-interstitial cells of Leydey
-mature sperm
Term
seminiferous tubules
Definition
-functional unit
-site of sperm production
-developing spermatogonia
-Sertoli cells
Term
Sertoli cells
Definition
-nurse cells
-line tubules and produce nutrients to maintain developing sperm
Term
interstitial cells of Leydey
Definition
produce and secrete testosterone
Term
mature sperm
Definition
-head body tail
-acrosome
-23 chromosomes
Term
life expenctancy of sperm
Definition
48-72 hours at body temp
Term
sperm per ejaculation
Definition
-50-150 million/mL
Term
sperm that reach ovum
Definition
200-400
Term
inguinal canal
Definition
allows passage of the spermatic cord and testes our of the abdomen into the scrotum
Term
spermatic cord
Definition
-CT sheath
-vas deferens
-testicular artery
-pamipiniform plexus of veins
-nerves?
-lymphatics
Term
epididymis location
Definition
attached to posterior surface of testes
Term
epididymis structure and contents
Definition
-17 ft coiled tube containing millions of sperm
Term
epididymis function
Definition
-stores sperm
-transports sperm from testes to vas deferens
Term
vas deferens location
Definition
-passes from scrotum within the spermatic cord to enter pelvis
Term
vas deferens structure
Definition
fibromuscular tube
Term
vas deferens function
Definition
transports sperm from epididymis to the ejaculatory duct
Term
ejaculatory duct
Definition
-posterior to prostate
-passes through prostate gland to join the prostatic urethra
-formed by union of vas deferens and duct of seminal vesicles
Term
vasectomy
Definition
cut vas deferens to prevent sperm from entering urethra
Term
seminal vesicles location
Definition
posterior to bladder near base
Term
accessory glands
Definition
seminal vesicles and prostate gland
Term
seminal vesicles structure
Definition
glandular organ which contain smooth muscle to release contents
Term
seminal vesicles function
Definition
-produce alkaline secretion rich in fructose for sperm
-secretes prostaglandins to cause uterine contractions to help sperm move
Term
prostate gland location
Definition
-inferior to neck of bladder
-surrounds first portion of urethra
Term
prostate gland function
Definition
-secretes alkaline fluid containing enzymes to neutralize acidic vagina
Term
bulbourethral (Cowper) glands location
Definition
muscular layer of pelvic floor
Term
bulbourethral glands structure
Definition
small gland with a duct opening into the urethra
Term
bulbourethra function
Definition
secrete mucous like fluid which lubricates urethra
Term
scrotum
Definition
-sac-like structure covered by fascia (CT) and skin
-contains muscle fibers (Cremaster muscle)
Supporting users have an ad free experience!