G. A. urogenital system Flashcards
(28 cards)
what does the kidney arise from?
posterior mesoderm
what the functional unit of the kidney called?
the nephron
which kidney is lower? Right or left?
Right;
both are surrounded with perirenal fat border
where are the renal pyramids located?
Medulla
what is the pH of semen?
7.2
what is the route that sperm travels?
seminiferous tubules> rete testis> efferent ductules> head> tail epididymis> vas deferens which joins the urethra at prostate
what is the outside to inside of spermatogenesis?
spermatogonia> primary spermatocyte> secondary spermatocyte> spermatids> spermatozoa
what makes up the outer portion of spermatogenesis?
SUSTENTACULAR OR SUPPORTING CELLS OF SERTOLI
INSTERSTITIAL CELLS OF LEYDIG- MAKE TESTOSTERONE
what hormone controls spermatogenesis?
FSH
what is the function of spermatogenesis?
where sertoli cells nurture immature sperm
function of luteinizing hormone?
causes secretion on testosterone by interstitial cells of leydig
what is the primary reproductive organ in females?
ovaries
what do ovaries produce?
estrogen & progesterone
what is the purpose of the ovarian ligament?
anchors ovaries medially to the uterus
what is the purpose of the suspensory ligament?
suspends ovaries laterally to the pelvic wall
purpose of broad ligament?
supports uterine tubes, uterus, & vagina
what does Estrogen do?
- enlarges the uterus during pregancny
- maintains and prevents degeneration of reproductive organs
- responsible for proliferation
what secretes estrogen? when?
corpus luteum
in 1st 1/2 of cycle
when is progesterone secreted? when is it increased?
corpus luteum in 2nd 1/2 of cycle
increased in pregnancy
secretion
what does FSH do?
matures follicles & proliferation in nongravid uterus
what does LH do?
stimulates pre-ovulating follicle causing rupture of follicle & ovulation
what does HCG do?
maintains corpus luteum
what is predominate in pregancny?
progesterone
what is secreted by corpus luteum?
estrogen
progesterone
