Repro Flashcards
24 y/o male develops testicular cancer. Metastatic spread occurs by what route
para-aortic lymph nodes (recall descent of testes during development)
woman with previous cesarean section has a scar in her lower uterus close to the opening of the os. What is she at increased risk for?
placenta previa
obese woman presents with hirsuitisma nd increase levels of serum testosterone. What is the dx?
Polycystic ovarian syndrome
pregnat woman at 16 weeks of gestation presents with an atypically large abdomen. what is the dx?
high hCG; hydatidiform mole
55 y/o postmenopausal woman is on tamoxifen therapy. What is she at increase risk of aquiring
endometrial carcinoma
what is the drainage of the left ovary/testes
left gonadal vv -> left renal vv -> IVC
what is the drainage of the right ovary/testes
right ovary/testis -> right gonadal vein -> IVC
suspensory ligament of ovaries contains these vessels
ovarian vessels
transverse cervical (cardinal) ligament contains these vessels
uterine vessels
round ligament of uterus contains
no important sx
broad ligament contains
round ligaments of the uterus and ovaries and the uterine tubules and vessels
erection is mediated by the _______ nervous system
parasympathetic
emission is mediated by the _______ nervous system
sympathetic
ejaculation is mediated by _____ and _____ nerves
visceral and somatic neves
acrosome of the sperm is derived from this
golgi apparatus
flagellum (tail) is derived from these
centrioles
middle piece (neck) has this
mitochondria
sperm food supply
fructose
spermatogenesis begins with _______(type A and B). Full development takes 2 mo
spermatogonia
spermatogenesis occurs here
seminiferous tubules.
type A forms these types of spermatogonia
type A & B
spermatogonium is ____, __N
dipoloid, 2N
spermatocyte is ____, __N
diploid, 4N
primary spermatocyte is ____, __N
diploid, 4N
secondary spermatocyte is ____, __N
haploid, 2N
spermatid is ____, __N
haploid, N
In male spermatogenesis, androgen-binding protein (ABP) functions to
ensure that tesetosterone in seminiferous tubule is high
In male spermatogenesis, inhibin functions to
inhibits FSH
testosterone functions to
differentiate male genitalia, has anabolic effects on protein metabolism, maintains gametogenesis, maintains libido, inhibits GnRH, and fuses epiphyseal plates in bone
FSH stimulates these cells to produce sperm
Sertoli cells
LH stimulates these cells to produce testosterone
Leydig cells
give some examples of androgens
testosterone, dihydrotestosterone (DHT, androstenendione
what is the source of DHT and testosterone
testes
what is the source of androstenedione
adrenal
rate testosterone, DHT and androstenedione in terms of potency
DHT>testosterone>androstenedione
name some targets of androgens
skin, prostate, seminal vesicles, epidydymis, liver, muscle, brain
testosterone is converted to DHT by this enzyme
5 alpha reductase
testosterone is converted to DHT by 5 alpha reductase which is inhibited by _______
finasteride
androgens functions to differentiate the wolffian duct system into these
internal gonadal structures
androgens functions to produce these changes in puberty
produce secondary sexual characteristics and growth spurt
androgens are required for normal spermatogenis. T or F
T
androgens functions for anabolic effects. E.g.,
increased mm size, increased RBC production
androgens increase this
libido
testosterone and androstenedione are converted to estrogen in adipose tissue by this enzyme
aromatase
ovaries produce this version of estrogen
estradiol
placenta produces this version of estrogen
estriol
list estrone, estradiol, and estriol in terms of potency
estradiol > estrone > estriol
give some fxs of estrogen
1) growth of follicle
2) endometrial proliferation, myometrial exitability
3) development of genitalia
4) stromal development of breast
5) female fat distribution
6) hepatic synthesis of transport protiens
7) feedback inhibition of FSH
8) LH surge (estrogen feedback on LH secretion switches to positive from negative just before LH surge)
9) increase myometrial exitability
10) incrase HDL, decreae LDL
estrogen hormone replacement therapy after menopause has these effects
decreased hot flashes and decreased postmenopauseal bone loss
unopposed estrogen therapy increases the risk of this CA
endometrial CA
using this with estrogen therapy can reduce the risk of CA
progesterone
what is the source of progesterone
corpus luteum, placenta, adrenal cortex, testes
progesterone functions to stimulate this?
endometrial glandular secretions and spiral artery development
progesterone functions to maintaine this?
pregnancy
progesterone functions to decrease exitability of this?
myometrial
progesterone produces thick cervical mucus, which functions to do this?
inhibits sperm entry into the uterus
progesterone functions to do this to body temperature?
increase
progesterone functions to do this to gonadotropins(LH,FSH)?
inhibit
progesterone functions to do this to uterine smooth mm?
relax it
follicular growth is fastest during this week of the proliferative phase
2nd week
this hormone stimulates proliferation of endometrium
estrogen
this hormone maintains endometrium to support implantation
progesterone
decreased amounts of this hormone can lead to decreased fertility
progesterone
there is a surge of this hormone the day before ovulation
estrogen
ovulation has this effect on LH, and this effect on FSH
stimulates LH
inhibits FSH
LH surge causes this
ovulation (rupture of follicle)
ovulation results in an increase in temperature which is induced by this hormone
progesterone
ovulation has this effect on the cervical mucosa
ferning
oral contraceptives prevent the surge of this hormone, LH surge -> ovulation does not occur
estrogen
this word refers to when blood from a ruptured follicule causes peritoneal irritation that can mimic appendicitis
Mittelschmerz
primary oocytes begin this during fetal life and complete it just prior to ovulation
meiosis I
Meiosis I is arrested in this phase for years until Ovulation
prOphase
Meiosis is arrested in this phase until fertilization
METaphase
mneu: an egg MET a sperm
source of hCG
syncytiotrophoblast of placenta
hCG functions to maintain this ________ for the 1st trimester by acting like LH.
corpus luteum
In the 2nd and 3rd trimester, this synthesizes its own estrogen and progesterone and the corpus luteum degenerates
placenta
this hormone is used to detect pregnancy because it appears in the urine 8 days after successful fertilization (blood and urine tests available)
hCG
elevated hCG can be seen in woman with these 2 neoplasms
hydatiform moles
choriocarcinoma
this is the cessation of estrogen production with age-linked decline in number of ovarian follicles
menopause