Exam 4: Reproductive Flashcards

1
Q

this part of the sperm contains the nucleus and chromosomes, including the enzymes essential to fertilization

A

head

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2
Q

GnRH stimulates the AP to release which hormones?

A

FSH and LH

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3
Q

this part of the sperm contains mitochondria

A

mid piece

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4
Q

where are sperm produced?

A

seminiferous tubules

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5
Q

where are sperm stored and matured?

A

epididymis

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6
Q

what is the pathway of sperm in ejaculation after leaving the epididymis?

A

vas deferens to ejaculatory duct to urethra

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7
Q

what is released during ovulation?

A

the secondary oocyte

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8
Q

which cells make testosterone?

A

Leydig cells

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9
Q

most common site of fertilization

A

fallopian tubes

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10
Q

what are the 2 zones of the endometrium of the uterus?

A

stratum basalis and functionalis

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11
Q

what are the 3 phases of the menstrual cycle?

A

menstrual, proliferative, secretory

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12
Q

middle muscle layer of uterus; contracts to expel baby at birth

A

myometrium

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13
Q

when does spermatogenesis begin?

A

at puberty

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14
Q

regulates temperature for spermatogenesis

A

scrotum

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15
Q

outer connective tissue layer of uterus

A

perimetrium

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16
Q

narrow bottom region of uterus

A

cervix

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17
Q

this produces mucus to lubricate the glans penis, and it neutralizes acid in the urethra

A

bulbourethral gland

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18
Q

what triggers ovulation?

A

high LH levels

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19
Q

what does the corpus luteum secrete?

A

estrogen and progesterone

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20
Q

at what point in the ovarian cycle does ovulation occur?

A

halfway, between follicular and luteal

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21
Q

why does semen have a high pH?

A

to neutralize female tract

22
Q

which zone of the endometrium of the uterus undergoes cyclical changes?

A

stratum functionalis

23
Q

when does bleeding start?

A

beginning of follicular phase (Day 1)

24
Q

what hormones are produced by the ovaries?

A

estrogen and progesterone

25
Q

this part of the male sexual response is under parasympathetic control

A

erection

26
Q

menstrual phase: occurs as a result of decline in estrogen and progesterone when corpus luteum degenerates; endometrium is sloughed

A

menstrual

27
Q

organs that produce gametes and hormones

A

gonads

28
Q

when does oogenesis begin?

A

before birth

29
Q

after ovulation, what does the remaining follicle become?

A

a corpus luteum

30
Q

menstrual phase: occurs while ovaries are in luteal phase; secretion of progesterone stimulates development of uterine glands; endometrium could nourish a growing embryo

A

secretory

31
Q

what releases gonadotropin releasing hormone?

A

hypothalamus

32
Q

what causes menopauses?

A

changes in ovaries

33
Q

what produces about 30% of semen volume?

A

prostate gland

34
Q

what does FSH stimulate?

A

estrogen and follicle development

35
Q

structures that wrap around the ovaries and catch the oocyte after ovulation

A

fimbriae

36
Q

what produces about 60% of semen volume?

A

seminal vesicles

37
Q

secrete fluids into ducts

A

accessory glands

38
Q

characterized by increasing levels of estrogen production, reaching a high around Day 12; initiated by FSH, which will stimulate production of LH

A

follicular phase

39
Q

after ovulation, LH stimulates the ruptured follicle to become a corpus luteum; shuts down follicle development to prevent further ovulation

A

luteal phase

40
Q

what are the 3 phases of the ovaries?

A

follicular, ovulation, luteal

41
Q

collectively known as external genitalia

A

perineal structures

42
Q

inner layer of uterus where embryo implants and develops

A

endometrium

43
Q

when does the corpus luteum degenerate?

A

at the end of the luteal phase

44
Q

site of embryonic development

A

uterus

45
Q

structures that receive and transport gametes

A

ducts

46
Q

which type of cell reproduction results in cells with 23 chromosomes?

A

meiosis

47
Q

what stimulates testosterone secretion?

A

LH

48
Q

menstrual phase: occurs while ovary is in the follicular phase; increasing levels of estrogen stimulate growth of the endometrium

A

proliferative

49
Q

a sperm count of less than 20 million (considered less fertile)

A

oligospermia

50
Q

which hormone triggers spermatogenesis?

A

FSH

51
Q

what are the cell layers of a follicle, from innermost to outermost?

A

corona radiata and zona pellucida