Male Reproductive System Flashcards

1
Q

the male reproductive system is a – system

A

closed

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2
Q

produce sperm

A

male gonads (testes)

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3
Q

sperm begin their development in the – of the testes, where they are nourished by Sertoli cells

A

seminiferous tubules

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4
Q

the testes are housed in the – outside of the abdominal cavity, where the temperature is a few degrees cooler than body temperature

A

scrotum

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5
Q

once in the epididymis, the sperm acquire – and are stored

A

mobility

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6
Q

When ejaculation occurs, the sperm moves towards the urethra and enter the – which are tubes that move up into the abdominal cavity

A

vas deferens

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7
Q

the two vas deferens merge into the – and then into the urethra

A

ejaculatory duct

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8
Q

When sperm are moving through, the urethra it becomes unavailable to the –

A

bladder

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9
Q

mixture of sperm and secretions

A

semen

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10
Q

urethra progresses through the length of the –

A

penis

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11
Q

provide a fluid rich in nutrients to serve as an energy source for the sperm

A

seminal vesicles

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12
Q

wraps around the urethra and deposits a secretion that is alkaline, to balance the acidic environment of the vagina

A

prostate gland

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13
Q

secrete a fluid prior to ejaculation that may serve to lubricate the urethra for sperm passage

A

bulbourethral glands

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14
Q

the process of – produces sperm through meiosis

A

spermatogenesis

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15
Q

meiosis in men results in –

A

four small sperm cells

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16
Q

spermatogenesis requires the hormonal influence of testosterone and begins at –

A

puberty

17
Q

testosterone is secreted during – to cause the development of male reproductive structures, but testosterone development is halted until puberty

A

embryonic development

18
Q

diploid cells in the testes called – differentiate into primary spermatocytes which undergo meiosis I producing two haploid secondary spermatocytes

A

spermatogonia

19
Q

secondary spermatocytes undergo meiosis II to produce –

A

four mature sperm (spermatozoa)

20
Q

spermatozoa move to the – to mature

A

epididymis

21
Q

spermatogenesis takes about – to complete

A

2-3 months

22
Q

mature sperm contain an acrosome that contains – used to penetrate the egg

A

digestive enzymes

23
Q

mature sperm contain a – that contains the nucleus of the sperm that will contribute to the egg

A

head

24
Q

mature sperm contain a – that is propelled by ATP

A

tail (flagellum)

25
Q

– from the hypothalamus allows for the secretion of LH and FSH from the anterior pituitary

A

GnRH

26
Q

LH causes the production of – by cells in the testes

A

testosterone

27
Q

testosterone is needed to stimulate –

A

spermatogenesis

28
Q

– is needed to make the potential sperm cells sensitive to testosterone

A

FSH

29
Q

the levels of testosterone regulate sperm production as if it were a

A

thermostat

30
Q

once sperm are in the –, the three glands add their secretions to the sperm as they pass by

A

urethra