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23 Cards in this Set
- Front
- Back
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stages of 28 day cycle
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-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 |
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What hormone surge is meccesaruy for ovulation?
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LH
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corpus luteum produces?
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progesterone
estrogen |
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hormone(s) produced during follicle growth?
after ovulation? |
estrogen only
estrogen and progesterone |
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estrus triggered by?
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rapid hormonal decrease
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sperm and ovum in the egg, but not joined?
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both are pronucleus
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pathway for embryo
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zygote
blastocyte 4-5 days implantation 5-6 days |
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changes during pregnancy?
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increased:
volume GFR CO Respiration |
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preeclampsia(toxemia) signs? 6
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leaking protien in urine
HTN excess salt and water retention edema weight gain decreased GFR, renal flow |
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arturition?
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birth of baby?
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hormone balance during pregnancy?
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increasing estrogen towards due date.
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delivery feedback?
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positive
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fertilization occurs?
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12-24 hours after ovulation
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human develpment stages?
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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 |
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XY zygote
XX zygote |
XY=TDF-testes-testosterone and MIF-mesonephric duct
XX=no TDF-ovaries-no testosterone and no MIF-paramesonephic duct |
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first 40 days after conception the gonads are?
TDF produced by? |
similar
SRY (sex determining region of y gene) |
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________ cells begins secreting testosterone at 8 wks and peak at 12-14 weeks
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leydig
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male accessory organs are formed from?
and are? 4 |
wolffian ducts (testosterone)
vas deferens, epidydimus, seminal vessicles and ejaculatory duct |
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female accessory sex organs are formed from?
and are? |
mullerian ducts
uterus and fallopian tubes |
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what secretes MIF at day 60 in a male fetus?
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sertoli cells
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female organs develop in the absence of what?
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testes
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puberty caused by? depends on?
pubic/axillary hair from? |
increase in GNrH-FSH/LH
body fat and activity level androgens from adrenal cortex |
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used as a test for chromosomal sex?
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barr bodies
only 1 of 2 X/s becomes active, the other turns into the Barr body. in all cells of the female body |
