extra- reproduction Flashcards

1
Q

what is phenotypic sex determined by

A

presence/ absence of masculinizing hormones

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2
Q

what secretes AMH

A

sertoli cells

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3
Q

where is the testosterone receptor expressed

A

seminal vesicle

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4
Q

human sex sepcification sequence

A

genetic sex
gonadal sex
sex specific hormone profiles
phenotypic sex (presence/ absence of masculanizing hormones and external genitalia)

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5
Q

what are ova also known as

A

oocytes

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6
Q

what are the two phases before ovulation of the ove

A

initial recruitment- 355
selection and dominance- 20 days

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7
Q

how many cells are ovulated

A

400

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8
Q

when is the zona pellucida first visualized

A

on primary oocyte

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9
Q

what are the two follicular cells

A

granulosa
thecal

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10
Q

when is the secondary oocyte formed

A

after antral formatoin

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11
Q

what oocytes are we born with

A

primary oocytes arrested at M1

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12
Q

what is the fate of the polar bodies

A

they degenerates

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13
Q

what inhibits FSH in women

A

rising estrogen in late follicular with inhibin from ovary

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14
Q

where is inhibin foudn

A

ovary

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15
Q

what reinitiates M1 in primary oocyte

A

LH surge

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16
Q

when does estrogen increae and decrease

A

increase in late luteal phase
decrease in ovulatory phase
increase again in early luteal phase

17
Q

when does progesterone increase and decrease

A

increases in early luteal phase
decrease before another cycle starts again in late when corpus albican forms

18
Q

when do spermatogonia undergo mitosis

A

following puberty

19
Q

specialized morphological change of spermatid

A

spermiogenesis

20
Q

what do sertoli cells secrete

A

AMH
ABP to keep local testosterone concentration high in the seminiferous tubules

21
Q

process of spermatid to spermatozoa

A

packaging
spermiogenesis
when the cytoplasm is no logner shared

22
Q

what cell goes to the edge of the germline tomaintain it in seminiferous tubules

A

one of the mititic spermatogonia

23
Q

where do spermatozoa complete their maturation

A

in the epididymis

24
Q

where are spermatozoa stored and concentration

A

in the epididymis

25
how long do sperm take to liquify
60 min
26
what acts on sertoli cells to support spermatogenesis
testosterone FSH
27
negative feedback in testis
T on LH inhibin (sertoli) on FSH
28
what develops sex drive and controls gonadotropin hormone secretio
testosterone
29
empty into the last portion of the ductus deferense
seminal vesicle
30
produce sperm secrete testosterone
testis
31
sperm exit route from the testis
ductus diferense
32
supply fructose to nourish sperm
seminal vesicle
33
site for maturation of sperm motility
vas deverens
34
concentrate and sotre sperm
vas deferense
35
secrete prostaglandins to moltile sperm
seminal vesilce
36
provide bulk of semen
seminal vesicel
37
provide precursors for clotting
seminal vesicle prostate gland
38
alkaline fluid
prostate gland
39
secrete mucus for lubcrication
bulbourethral gladn