male reproduction Flashcards

1
Q

athletes taking testosterone causes a decrease in

A

GnRh, FSH, LH
* decerased sperm production

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2
Q

rotue for sperm

A
  • testes
  • epididymis
  • vas deferens
  • urethra
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3
Q

seminal vesicles

A

add fructose
energy for sperm

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4
Q

prostate gland

A

add alkaline fluid
neutralize acidic vagina

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5
Q

sertoli cell role

A

nuturing role for person

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6
Q

sertoli cell releases

A

inhibin, androgen binding protein

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7
Q

androgen binding protein

A

binds testosterone
high levels of testosterone in testes

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8
Q

spermatogonium

A

immature sperm

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9
Q

leydig cells release

A

testosteron

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10
Q

what stimulates leydig cells

A

LH

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11
Q

what stimualtes sertoli cells

A

FSH

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12
Q

spermatozoa

A

mature sperm

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13
Q

how many spermatozoa form from each primary spermatocyte

A

4

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14
Q

when does mitosis occur in spermatogenesis

A

before birth, after puberty –> death

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15
Q

when does meiosis occur in spermatogenesis

A

after puberty –> death

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16
Q

acrosome

A

protease to penetrate ovum

17
Q

what increases testosterone

A

LH

18
Q

what does testosterone effect once released from leydig cell

A
  • secondary sex characteristics
  • dihydro-testosterone
  • estradiol
  • degraded liver, kidneys
19
Q

action of androgens

A

masculinizing hormones

20
Q

secondary sex characteristics of males

A
  • increase muscle mass
  • increased hair growth - face, chest, pubic
  • deepening of the voice
21
Q

dihydro-testosterone

A

development of male sex organs