Term
| only system not essential to the life of the individual |
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Definition
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| reproductive organs that produce gametes and hormones |
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| testes, secrete sex hormones called androgens (mainly testosterone) and produce the male gametes (spermatozoa) that develop into sperm |
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Definition
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Term
| mature sperm travel along duct system and are mixed with secretions of accessory glands |
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| semen is expelled from body |
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| sperm cells and secretions from accessory organs |
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Definition
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Term
| What are the female gonads? |
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Definition
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| What do the female gonads do? |
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Definition
| generally release one immature gamete (oocyte) per month |
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Definition
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| What two sex hormones do the ovaries produce? |
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Definition
| estrogen and progesterone |
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| What is another term for the uterine tubes |
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| What does the zygote turn into? |
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Definition
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| What does the embryo develop into? (9 weeks until birth) |
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| About how much does each testicle weigh? |
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Definition
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Term
| Where do the testes hang? |
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Definition
| outside the male body in a fleshy pouch suspended posterior to the base of the penis in the scrotum |
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Term
| Why do the testes hang outside the body? |
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Definition
| allows for lower temperature |
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Term
| bundle of connective tissue that extends from each testis to the peritoneum |
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Definition
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Term
| During the seventh developmental month, circulating hormones (mainly testosterone) allow movement of the testes through abdominal musculature outside the body into the scrotum. What is this called? |
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Definition
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Term
| failure of one or both of testes to descend from the inguinal canal into the scrotum by birth |
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Definition
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| What happens if both testes fail to descend? |
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| infertile (will not be able to father children) |
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| If the testes cannot be pulled into the scrotum, they should generally be surgically removed by what type of procedure? |
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| What percent of males with uncorrected cryptorchid testes eventually develop testicular cancer? |
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