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MCAT > Repro > Flashcards

Repro Flashcards

1
Q

Function of Sertoli Cells

A

protect and nurture sperm

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2
Q

Function of Leydig cells

A

testosterone synthesis

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3
Q

Syngamy

A

fusion of spermatozoa and ova

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4
Q

Male gametes

A

spermatozoa

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5
Q

Female Gametes

A

ova

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6
Q

Result of first meiotic division in sperm development

A

secondary spermatocyte

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7
Q

bindin

A

protein on surface of sperm that attaches to receptors on the zona pellucida surrounding the ovum

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8
Q

Acrosome

A

enzymes used to penetrate ovum with hydrolytic activity

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9
Q

What does LH do in males

A

tell interstitial cells to release testosterone

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10
Q

What does FSH do in males

A

Tells sertoli cells to release inhibin

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11
Q

Function of inhibin

A

reduce FSH release

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12
Q

Dihydroxytestosterone leads to

A

development of male genitalia

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13
Q

What does wolfiann duct become

A

epididymis, seminal vesicles, and vas deferens

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14
Q

What does mullerian duct become

A

uterine tubes, uterus, and vagina

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15
Q

What hormone stimulates release of LH and FSH

A

Gonadotropin releasing hormone

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16
Q

Function of FSH in Women

A

stimulates granulosa cells to secrete estrogen

17
Q

What does LH do in women

A

Stimulate formation of corpus luteum and progesterone secretion

18
Q

What are the products of first meiotic division in oogenesis

A

secondary oocyte and small polar body

19
Q

What is the name for oocyte and granulosa cells together

A

follicle

20
Q

Zona Pellucida

A

protective layer of mucopolysaccharides

21
Q

Thecal Cells

A

Respond to LH to secrete estrogen

22
Q

What is a mature follicle called

A

Graafian follicle

23
Q

During ovulation what occurs

A

Graafian follicle bursts, secondary oocyte released with zona pellucida and granulosa cells into fallopian tube

24
Q

Corona Radiata

A

The granulosa cells surrounding secondary oocyte during ovulation

MCAT (46 decks)

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