extra Flashcards

1
Q

how many corpus spongiosum and cavernosum arethre

A

one spongiosum
two cavernosum on dorsal

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2
Q

where does semen come from

A

seminal vesicle

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3
Q

what does physical binding of sperm head with ZP lead to

A

acrosome reaction

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4
Q

what triggers compeltion of MII in oocytes

A

sperm fusion and ca cascade in cytoplasm

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5
Q

what does ca cascade lead to

A

release of cortical granules bw membrane and ZP to inactivate ZP binding proteins blockingpolyspermy

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6
Q

what cycle of endometrium is early embryo reinserted into for ART

A

secretory cycle

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7
Q

what maintaines endometrium in secretory phase

A

CL secreting progesterone and estrogen

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8
Q

hCG and endometrium

A

maintains hormone production of CL before placenta take over at 3 months

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9
Q

estrogen and progesterone over pergnancy

A

rise

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10
Q

hCG during pregnancy

A

pearks at month two to support early prenancy
stops periods
stops at month 3

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11
Q

what secretes relaxin

A

corpus luteum and placenta

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12
Q

hCS and glucose

A

breaks down fat so gllucose and FA goes to kid

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13
Q

blood pressure in pregnancy

A

reduced

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14
Q

when do braxton hicks contractions occur

A

late states of genstation

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15
Q

onset triggers of placental clock and partruition

A

CRH, estrogen, inflamatory responses

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16
Q

oxytocin in placenal clock

A

more receptors

17
Q

uterine involution

A

uterus shrinking to prepregnancy size

18
Q

why does uterus involution occur

A

bc placental source of estrogen and progesterone is gone

19
Q

very late embryo division in monozygotic twins

A

ICM may not split- conjoined twins

20
Q

what stimulates prolactin and hCS to induce enzymes for milk production

A

high estrogen in late gestation

21
Q

what stimulates enzymes for milk production

A

prolactin and hCS

22
Q

what initiates lactation

A

sudden drop in estrogen and progesteron which also causes uterine involution

23
Q

when is alveolae ductal system operational

A

after birth

24
Q

what is in collustrum

A

immunity factors, minerals, protein, GI tract readiness

25
where are the defensiev agents mucus, lactoferrin, bifidus factor found
in braeastmilk
26
where are B cells, T cells, macrophages, and neutrophils and antibodies IgA secretory found
in breastmilk
27
what hormones are permissiev for lactattion
crotisol, insulin, PTH, GH
28
what supresses mesntrual cycle
supress FSH and LH
29
how do oral contraceptives work
hormone formulation that supresses FSH and LH for 21 days then hormone withdrawal for a week
30
feedback of OC
negative
31
emergency contraceptive
synthetic progesterone copper IUD