Scrotum A&P Flashcards
what is the primary sex organ for males and what does it produce?
testes produce sperm
what are male secondary sex organs and what do they do? (7)
- epididymis
- ductus deferens
- seminal vesicle
- prostate gland
- bulbourethral glands
- scrotum
- penis
they protect, transport, and nourish sperm
where do the testes develop in the embryo?
they develop in proximity to mesonephric ducts
when do testes descend into the scrotum during embryonic development?
8th month
what is housed in the compartment sac?
- testicle
- epididymis
- part of vas deferens
what size are the testes in SAG?
3-5 cm
what size are the testes in TRV?
2-4 cm
what size are the testes in AP?
3 cm
what is the outermost layer of the testes?
tunica vaginalis
what is the middle layer of the testes?
tunica albuginea
what are the thin septations arising from the tunica albuginea called?
mediastinum testes
where is the epididymis in relation to the testes?
posterosuperior & posteroinferior lateral border of the testes
what are the 3 different parts of the epididymis?
head, body, tail
what is the size of the epididymis?
6-7 cm long
what is the diameter of the head of the epididymis?
10-12 mm
what is the diameter of the body of the epididymis?
2-5 mm
what is the diameter of the tail of the epididymis?
2-5 mm
what is the artery that supplies the testicle?
testicular artery
what structures does the deferential artery supply?
- epididymis
- ductus deferens
what artery supplies the peritesticular (scrotum) tissues?
cremasteric artery
what is the network of veins that runs througout the testes?
pampiniform plexus
the pampiniform plexus joins together to become the spermatic vein. T/F?
true
the spermatic vein is not part of the spermatic cord. T/F?
false
where does the right spermatic vein drain to?
IVC