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
Q

how long do sperm take to liquify

A

60 min

26
Q

what acts on sertoli cells to support spermatogenesis

A

testosterone
FSH

27
Q

negative feedback in testis

A

T on LH
inhibin (sertoli) on FSH

28
Q

what develops sex drive and controls gonadotropin hormone secretio

A

testosterone

29
Q

empty into the last portion of the ductus deferense

A

seminal vesicle

30
Q

produce sperm
secrete testosterone

A

testis

31
Q

sperm exit route from the testis

A

ductus diferense

32
Q

supply fructose to nourish sperm

A

seminal vesicle

33
Q

site for maturation of sperm motility

A

vas deverens

34
Q

concentrate and sotre sperm

A

vas deferense

35
Q

secrete prostaglandins to moltile sperm

A

seminal vesilce

36
Q

provide bulk of semen

A

seminal vesicel

37
Q

provide precursors for clotting

A

seminal vesicle
prostate gland

38
Q

alkaline fluid

A

prostate gland

39
Q

secrete mucus for lubcrication

A

bulbourethral gladn