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23 Cards in this Set

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stages of 28 day cycle
-theca-theca int-theca ext
-primordial follicle
-preantral follicle (zona pullicida)
-antral follicle (ovum)
-preovulatory follice (mature-corona radiata)
-ovulation on day 14
-corpus leuteum
What hormone surge is meccesaruy for ovulation?
LH
corpus luteum produces?
progesterone
estrogen
hormone(s) produced during follicle growth?

after ovulation?
estrogen only

estrogen and progesterone
estrus triggered by?
rapid hormonal decrease
sperm and ovum in the egg, but not joined?
both are pronucleus
pathway for embryo
zygote
blastocyte 4-5 days
implantation 5-6 days
changes during pregnancy?
increased:

volume
GFR
CO
Respiration
preeclampsia(toxemia) signs? 6
leaking protien in urine
HTN
excess salt and water retention
edema
weight gain
decreased GFR, renal flow
arturition?
birth of baby?
hormone balance during pregnancy?
increasing estrogen towards due date.
delivery feedback?
positive
fertilization occurs?
12-24 hours after ovulation
human develpment stages?
day 0= pronucleus-zygote
day 1= 2 cell
day 2= 4 cell
day 3= early morula
day 4= late morula
day 6-7= blasocyst implantation
XY zygote

XX zygote
XY=TDF-testes-testosterone and MIF-mesonephric duct


XX=no TDF-ovaries-no testosterone and no MIF-paramesonephic duct
first 40 days after conception the gonads are?

TDF produced by?
similar


SRY (sex determining region of y gene)
________ cells begins secreting testosterone at 8 wks and peak at 12-14 weeks
leydig
male accessory organs are formed from?

and are? 4
wolffian ducts (testosterone)

vas deferens, epidydimus, seminal vessicles and ejaculatory duct
female accessory sex organs are formed from?

and are?
mullerian ducts

uterus and fallopian tubes
what secretes MIF at day 60 in a male fetus?
sertoli cells
female organs develop in the absence of what?
testes
puberty caused by? depends on?

pubic/axillary hair from?
increase in GNrH-FSH/LH
body fat and activity level

androgens from adrenal cortex
used as a test for chromosomal sex?
barr bodies

only 1 of 2 X/s becomes active, the other turns into the Barr body.

in all cells of the female body