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Embryology > Chapter 7- Placenta and Fetal Membranes > Flashcards

Chapter 7- Placenta and Fetal Membranes Flashcards

1
Q

4 fetal membranes

A

chorion
amnion
allantois
umbilical vesicle

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2
Q

Decidua

A

endometrium of a pregnant person

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3
Q

Amniochorionic membrane

A

fused amnion and chorion

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4
Q

Placental functions

A 
metabolism
transport
endocrine secretions
protection
excretion
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5
Q

placental metabolites

A

glycogen
cholesterol
fatty acids

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6
Q

placenta transports..

A 
glucose
gasses
viruses
amino acids
electrolytes
antibodies
unconjugated steroid hormones
few protein hormones
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7
Q

hCG

A

human chorionic gonadotropin

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8
Q

hCS

A

human chorionic somatomammotropin

aka. human placental lactogen

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9
Q

placental endocrine secretions

A 
hCG
hCS
hCT
estrogen
progesterone
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10
Q

hCT

A

human chorionic thyrotropin

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11
Q

transcytosis

A

transport of IgGs from pregnant person to fetus

**no pertussis or varicella transmission

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12
Q

Early neonatal period

A

birth-7 days

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13
Q

late neonatal period

A

7-28 days

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14
Q

superfecundation

A

fertilization of 2+ oocytes at different times

RARE

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15
Q

functions of amniotic fluid

A 
allows symmetric growth
barrier
cushion
promotes lung development
prevents fusion of amnion with embryo/fetus
allows for movement
helps control body temperature
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16
Q

Placental abnormalities

A

placenta previa
placenta accreta
placenta percreta

17
Q

3 stages of labor

A

dilation (7-12 hours)
expulsion (20-50 minutes)
placental stage (~15 minutes)

18
Q

parturition

A

process of expelling fetus, placenta, and fetal membranes from reproductive tract

19
Q

preeclampsia symptoms

A 
hypertension
edema
proteniuria
may cause convulsions
can lead to miscarriage or death
20
Q

preeclampsia causes

A

poor EVT-cell invasion –> poor placental perfusion –> production of toxins –> toxins attack maternal vasculature, specifically renal glomeruli

Embryology (10 decks)

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