Term
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Definition
| sac of loose skin, fascia and smooth muscle divided into two pouches by septum |
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Term
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Definition
| smooth muscle in scrotum that causes wrinkling |
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Term
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Definition
skeletal muscle in spermatic cord that elevates testes in exposure to cold and during arousal, reverse in warmth
regulates temp of testes
extension of internal abdominal oplique muscles |
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Term
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Definition
| white capsule of dense connective tissue with septa that form 200-300 compartments |
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Term
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Definition
| the 200-300 compartments formed by the tunica albuginea |
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Term
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Definition
where sperm is formed
between the testicular lubules formed by the tunica albuginea |
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Term
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Definition
piece of peritoneum that descended with the testes into the scrotal sac
allows for easier movement of the testes in the scrotum
double layer serous cavity
anterior |
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Term
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Definition
| sperm formation in seminiferous tubules |
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Term
| spermatogonia development |
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Definition
| spermatogonia (from primoridal germ cell, yolk sac) -> primary spermatocyte -> secondary spermatocyte -> spermatid -> spermatozoa |
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Term
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Definition
between seminiferous tubules
secrete testosterone |
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Term
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Definition
develop male secondary characteristics (voice, hair, muscle)
stimulate descent of testes (7 mo.)
regulate spermatogenesis via sertoli cells |
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Term
| androgen insensitivity syndrome |
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Definition
X recessive
mutant androgen receptor
detected at puberty because of no period |
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Term
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Definition
from basement membrane to lumen of seminiferous tubules
forms blood-testis barrier through tight junctions
support, protect and nourish developing sperm cells
produce fluid & control release of sperm into lumen
secretes inhibin which inhibits FSH and sperm production
secrete mullerian inhibiting substance during development |
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Term
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Definition
head of sperm
contains enzymes to penetrate zona pellucida |
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Term
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Definition
| seminiferous tubules -> Rete testis (network of tubules) -> epididymis -> vas deferens -> ejaculatory duct -> urethra |
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Term
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Definition
comma-shaped organ
stores and matures sperm
posterior on testes
maturation: 2 weeks
store: 1-2 months |
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Term
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Definition
18 in long muscular tube
posterior border of epididymis -> through spermatic cord and inguinal ligament -> posterior surface of urinary bladder -> empties into prostatic urethra
thick layer of longitudinal and circular muscle |
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Term
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Definition
2 in long tunnel passing through the 3 muscules of the anterior abdominal wall
weakens abdominal wall
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Term
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Definition
common due to weak abdominals
SI pierces through inguinal canal |
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Term
| what passes through the spermatic cord? |
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Definition
testicular artery
pampiniform plexus of veins
autonomic nerves
LVs
cremaster muscle
ductus deferens |
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Term
| what makes up the ejaculatory duct? |
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Definition
| seminal vesicle + ampulla of ductus deferens |
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Term
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Definition
prostate urethra
membranous urethra
spongey/penile urethra |
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Term
| Bulboirethral (Cowper's) gland |
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Definition
| secretes alkaline mucus to form semen |
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Term
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Definition
secretes milky, pH 6.5 fluid
helps sperm motility |
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Term
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Definition
secretes alkaline, viscous fluid
helps sperm motility |
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Term
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Definition
on either side of spongiosum
surround deep arteries of penis
erectile body |
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Term
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Definition
erectile body
surrounds urethra |
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Term
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Definition
muscle that encloses the bulb/base of penis/ corpora spongiosum
ejaculation muscle |
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Term
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Definition
muscle that encloses the crus of the penis/legs of copora cavernosa
ejaculation muscle |
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Term
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Definition
double layer
prepuce/foreskin |
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Term
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Definition
parasympathetic
dilation of arteries supplying penis, veins are compressed so blood is trapped |
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Term
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Definition
under DHT (androgen) control
labioscrotal swelling: scrotum
urethra folds: spongy penile urethra
glans area: glans penis |
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Term
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Definition
| urethra opening on underside of penis due to incomplete fusion of folds |
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