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physl 210 > reproduction > Flashcards

reproduction Flashcards

1
Q

what is the trophic role of the sertoli cells

A

support sperm production

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2
Q

which cells secrete luminal fluid?

A

sertoli cells

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3
Q

which cells secrete androgen binding protein

A

sertoli cells

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4
Q

which cells are the site of immunosuppression in males

A

sertoli cells

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5
Q

what kind of cells are leydig cells

A

interstitial

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6
Q

what is the function of the scrotum

A

temperature regulation

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7
Q

when do secondary sex characteristics develop in men?

A

`puberty

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8
Q

is there testosteron in males during fetal and neonatal stages

A

yes

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9
Q

what is the anabolic function of androgens

A

protein synthesis in muscle

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10
Q

how many days from primary spermatocyte to spermatazoa

A

64

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11
Q

where does spermatogenesis occur?

A

seminferous tubule, sertoli cell spaces

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12
Q

how long for spermatid to spermatozoa and what is it called

A

spermiogenesis, 24 days

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13
Q

how long do sperm stay in lumen

A

20 days

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14
Q

how long do sperm stay in epididymis?

A

6-12 days

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15
Q

how do sperm move to the vas deferens

A

peristalisis

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16
Q

what does the prostate gland secrete

A

cirtrate and enzymes

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17
Q

what do bulbourethral cells do

A

secrete mucous

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18
Q

what do seminal vessels secrete

A

alkaline, fructose, enzymes, prostaglandins

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19
Q

what kind of feedback acts in erection formation

A

positive

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20
Q

how do parasympathetic nerves affect smooth muscle during erection?

A

dilation of smooth muscle

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21
Q

what does viagra affect

A

phosphodiesterase

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22
Q

what molecule is increased by parasympathetic action (relation to viagrs)

A

nitric oxide

23
Q

what picks up the ova from the ovary

A

infundibulum and fimbriae

24
Q

how long does it take an egg to reach uterus`

A

4 days

25
Q

which layer of the uterus consists of smooth muscle

A

myometrium

26
Q

what is the thickest layer of the uterus

A

myometrium

27
Q

which layer of the uterus has glands

A

endometrium

28
Q

what is a mature follicle called?

A

graafian

29
Q

what is the name for an immature follicle

A

primordial

30
Q

what makes the mitotic effect on granulosa cells to makec them grow?

A

FSH

31
Q

what does estrogen do to progesterone receptors on uterine endometrial cells

A

activate

32
Q

which cell makes antrum fluid

A

granulosa

33
Q

which granulosa cells have LH receptors as well as FSH`

A

ones on mid to late follicle/ corpus luteum

34
Q

which cells secrete inhibin?

A

granulosa

35
Q

when is meiosis II completed?

A

after fertilization

36
Q

are ovarian hormones requires for sex differentiation before birth

A

no

37
Q

at what day does one follicle become dominant

A

day 7

38
Q

when does corpus luteum degenerate

A

25-28

39
Q

why does menstruation occur

A

lack of progesterone and estrogen from corpus luteum degeration

40
Q

what kind of mucous thick of thin do cervical glands secrete during proliferative phase

A

thin

41
Q

when is embryo called fetus

A

8 weeks

42
Q

how many sperms make it to the uterine tubes

A

100

43
Q

when is the zona pellicuda lost

A

blastocyte

44
Q

what is the outer layer of blastocyte called

A

trophoblast

45
Q

at what stage can a zygote reach the uterus

A

morula

46
Q

what becomes the placenta

A

trophoblast

47
Q

when is implantation

A

6-7 days after fertilization

48
Q

how long until the placenta is functioning and heart is beating

A

5 weeks

49
Q

how do progesterone and estrogen affect milk production

A

suppression

50
Q

which cells secrte mullerian inhibting hormone

A

sertoli

51
Q

what does DHT do

A

mascunization of external structures

52
Q

what causes the development of internal male genitalia

A

T

53
Q

what occurs with csais

A

mutaton of androgen receptor
5HT not recognized, no masunization of external strcutrs
T not reconized, no male internal genitalia
no female internal genitalia (MIH)

54
Q

what causes congeital adrenal hyperplasia and what occurs

A

decreased cortisol, increased

physl 210 (2 decks)

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