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17 Cards in this Set
- Front
- Back
germ cells migrate to genital ridge
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5wks
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when do seminiferous cords appear
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6 and 7wks
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when is testicular development complete
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3 months
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when do testicles descend
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7th month
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where is MIF produced
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sertoli cells - inhibit mullerian ducts
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when do external genetalia form
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9th to 12th weeks
testosterone key |
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LH acts on (in the male)
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Leydig cells to produce testosterone
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FSH acts on (in the male)
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seminiferous tubles -> spermatogenesis
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inhibin
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made by sertoli cells to neg feedback to FSH
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what negatively feeds back on LH
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testosterone
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sites of testosterone production
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leydig cells
ADRENAL GLAND |
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effects of testosterone
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muscle growth
larynx growth sexual hair growth - chest, face, genital area sebecous glands stimulate - acne maturation of sperm |
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5alpha reductase
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testosterone converted to DHT
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acrosome
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contains hyaluronidase to digest proteoglycans
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site of sperm storage
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vas deferens
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rule of thumb number of sperm needed to be deposited to fertilize one egg
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5 million
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majority of ejaculate originates from
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seminal vesicles
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