GA1 - Male Reproductive System Flashcards
reproductive organs or gonads of the males is the ____
testis
testis originate in the ___ ___
intermediate mesoderm
testis come from the ____ abdominal wall
psoterior
3 layers to the spermatic cord
internal spermatic fascia
cremasteric fascia
external spermatic fascia
internal spermatic fascia comes from the ___ ___
transversalis fascia
cremasteric fascia comes from ___ ___ ___
internal oblique muscle
external spermatic fascia come from the aponeurosis of ___ ____ ____
external oblique muscle
contents of the spermatic cord
ductus deferens testicualar a and v genital branch of genitofemoral nerve deferential a and v cremasteric a lymphatics and autonomic nerves
nerve plexus of the scrotum
pampiniform
scrotum is a ____ pouch
cutaneous
scrotum contains ___ and the ___ ___
testes
spermatic cords
skin of the scrotum is ___ (___) and covered with ___ hairs
rugose (wrinkled)
sparse
the scrotum is divided internally into ___ separate chambers marked externally by the ___ ____
two
perineal raphe
5 layers of the scrotum
skin dartos colles' fascia spermatic fascia - cremaster muscle tunica vaginalis
tunica vaginalis from ___ ___ that lines the ___ ___
parietal peritoneum
scrotal cavity
3 arteries that supply the scrotum
internal pudendal
external pudendal
cremasteric
internal pudendal a is a branch of the ___ ___
internal iliac
external pudendal artery is a branch of the ___
femoral
cremasteric artery is a branch of the ___ artery
testicular
4 nerves that supply the scrotum
ilioinguinal
genital branch of the genitofemoral
perineal nn
Post Femoral Cutaneous nerve
cremasteric reflex
stroke inside of leg
elephantiasis
protozoal infection
affecting lymphatic vessels obstructing them
varicocele
enlarged veins in scrotum
bag of worms
hydrocele
fluid accumulation in tunica vaginalis testis
shine light - luminous
hematocele
blood accumulation
inguinal hernia
finger test
indirect - side of the finger
direct - tip of the finger
testes are ___ oval bodies located in the ____
paired
scrotum
testes - ___cm long, __cm wide and __cm thick
4-5
3
2
testes are ___ covered by a ___ membrane called the ___ ____
partially
serous
tunica vaginalis
internal to the tunica vaginalis, the testis is covered completely by a dense white fibrous capsule called the ____ ___
tunica albuginea
function of the testes
production of sperm by the seminiferous tubules
secretion of testosterone by the interstitial cells
2 hormones that stimulate the testes
LH (ICHS)
FSH
LH stimulates ___ __ to produce ____
interstitial cells
testosterone
FSH is from the ___ to stimulate ___
pituitary
spermatogenesis
blood supply to the testes through the ___ artery
testicular
testicular artery just off the __ __ just before the renal artery
abdominal aorta
nerve supply to the testes
testicular plexus
T10
cryptorchidism
hidden testes failure of testes to descent inject ACG or testosterone surgery there would be sterilization bc its too warm in the abdominal cavity predisposed to testicular cancer
testicular cancer
HCG and AFP
testes to not descend
testicular torsion
can be moveable
should be a ligament
if ligament is too loose it twists
blood supply can ____
2 muscles keep scrotum toward the body
dartos
cremasteric
4 parts to the male reproductive tract
epididymis
ductus deferens
ejaculatory ducts
urethra
epididymis is a ___-shaped structure about ___in long curved over the back and upper end of the testes
comma
1.5
epididymis is an irregularly ___ tube ___-___ft long when straightened
twisted
15-20
functions of the epididymis
monitors and adjusts the composition of the tubular fluid
site of sperm maturation
storage of sperm
helps in propelling sperm cells toward the urethra
acts a recycling center for damaged spermatozoa
vas deferens is a thick ___ tube, __in long
mucular
18
vas deferens arises from the __ of the epididymis and passes through the ___ ___
tail
inguinal canal
vas deferens emerges through the ___ inguinal ring, enters the __ ___, goes towards the __ surface of the urinary bladder
deep
pelvic cavity
posterior
vas deferens ends as a dilated portion called the ___, the ___ end of which joins the duct of the ___ vesicle to form the ___ ejaculatory duct
ampulla
inferior
seminal
ejaculatory
fxn of the vas deferens
convey mature sperm from the epididymis to the ejaculatory duct
___ ejaculatory duct formed by the union of the ___ ___ and the duct of the ___ vesicle’ about __cm in length
two
vas deferens
seminal
2
ejaculatory ducts pierce the ___ surface of the prostate and open into the ____ urethra
prostate
prostatic
function of the ejaculatory ducts
drains seminal fluid into the prostatic urethra
3 parts of the urethra
prostatic
membranous
penile
prostatic urethra is surrounded by ____
prostate
when the prostate is enlarged it can cause a ___ of urethra/urinary retention
constriction
4 accessory glands
seminal vesicles
prostate gland
bulbourethral glands (cowper’s)
urethral glands (glands of littre)
seminal vesicles are two ___ organs about __ in long
lobulated
2
semiinal vesicles lie on the ___ surface of the urinary bladder
posterior
lateral to the seminal vesicles is the ___ of vas deferens
ampulla
function of the seminal vesicles
secrete an alkaline, viscous fluid that contains the sugar fructose, prostaglandins, and clotting proteins