Term
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Definition
1. pre-embryonic 0-2wks
2. embryoninc 2-8 wks
3. fetal 8+ wks -birth |
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Term
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Definition
| rapid cell division. zygote moves to uterus |
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Term
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Definition
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Term
| when fluid filled space forms |
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Definition
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Term
| takes -- to implant in endometrum |
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Definition
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Term
| after implanting - cell masses form: |
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Definition
outer- trophoblast- chorion, placenta
inner- baby, amniotic sac |
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Term
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Definition
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Term
| endometrium is persered by |
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Definition
| trophoblase releasing hCG which perserves corpus luteum which segreastes progesterone and estrogen (upkeeping endometrium) |
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Term
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Definition
| morning sickness, released from trophoblast |
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Term
| what is the source of estrogen and progesterone after corpus luteum degenerates? |
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Definition
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Term
| Mature placenta weighs -- is connected to fetus by -- and starts functioning at |
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Definition
1-2 lbs
umbilical cord
end of 1st trimester |
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Term
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Definition
| nutrients, oxygen, wastes |
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Term
| site of implantation in endometrium |
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Definition
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Term
| embryo has -- umbilical artiers that circulate blood -- placenta |
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Definition
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Term
| embryo has -- umbical veins that circulate blood -- placenta |
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Definition
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Term
| Do the blood of the fetus and mother mix? |
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Definition
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Term
| most common pregnancy complications |
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Definition
| abnormalities w/ placenta |
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Term
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Definition
| low lying covering most of cervix |
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Term
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Definition
| placenta seperates from uterine wall |
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Term
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Definition
| pre eclampsia believed to be associated w/impaired placenta |
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Term
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Definition
| flat disc w/ 3 layers formed by organogensis |
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Term
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Definition
1. ectoderm _> nervous, epidermis
2. mesoderm- CT,muscle
3. endoderm- epithelial glands |
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Term
| Gestational age vs Fetal age |
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Definition
gestational age- last menstraul cycle= age of fetus
Fetal age- time since conception |
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Term
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Definition
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Term
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Definition
| disrupts normal cell growth/dev. causing altered structure/function. |
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Term
| teratogens cause most problems |
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Definition
| most suceptible during critical periods= rapid cell division. |
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Term
| teratogen during first 2 wks |
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Definition
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Term
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Definition
| severe organ abnormalities |
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Term
| teratogen during fetal period- |
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Definition
| less severes bc period is for maturing whats already formed. |
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