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11 Cards in this Set
- Front
- Back
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What hormones does the pituitary gland secrete? |
FSH AND ICSH |
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What causes the pituitary gland to secrete the hormones? |
A releaser hormone in the hypothalamus |
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What structure in the testes produces sperm? |
Seminiferous tubules |
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What structure in the testes produces testosterone? |
Interstitial cells |
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What is the function of the prostrate gland? |
Produces alkaline substances to neutralised the acidity of the vagina |
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What is the function of the seminal vesicles? |
Secretes enzymes and fructose which provide energy for sperm |
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What is the effect of FSH on the testes? |
Stimulates seminiferous tubules for sperm production |
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What effect does ICSH have on the testes. |
Stimulates interstitial cells for testosterone production |
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What are the effects of testosterone? |
Stimulates sperm production, activates seminal vesicle and prostate gland |
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What hormones are inhibited by high testosterone levels |
FSH, ICSH |
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How are testosterone levels controlled by negative feedback |
As testosterone levels increase, FSH and ICSH inhibited. Levels decrease, reducing testosterone volume. Testosterone decreases, inhibition stops. Levels increase again |
