Term
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Definition
the biological transition from a child to a functionally reproductive adult
maturation of gonads, germ cells, and internal reproductive organs |
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Term
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Definition
| the process of undergoing puberty |
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Term
| what things develope during puberty? |
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Definition
| only secondary sex characteristics such as pubic hair, facial hair, breat development, and laryngeal growth |
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Term
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Definition
time of first menstruation - not necessarily first ovulation
average age = 12.3 and decreasing |
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Term
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Definition
| time from puberty to social adulthood |
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Term
| what does it mean to be circannual? |
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Definition
| to have a yearly reproductive cycle |
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Term
| what does it mean to be ultradian? |
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Definition
| to have a reproductive cycle that occurs more than once in 24 hours |
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Term
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Definition
| it's an environmental cue that helps to regulate an organism's biological clock |
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Term
| what are some examples of zietgebers? |
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Definition
| light, temperature, food, water, shelter, tides and social environment |
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Term
| what type of animals require warmer temperatures for gonal growth? |
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Definition
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Term
| what is reproductive cyclicity? |
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Definition
| the integration of a biological clock and reproductive physiology |
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Term
| seasonal cycles coordinate male and female effort at times which |
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Definition
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Term
| what is the estrous cycle? |
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Definition
| when most females are receptive to males - around the time of ovulation also known as "heat" |
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Term
| what is the estrous cycle? |
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Definition
| when most females are receptive to males - around the time of ovulation also known as "heat" |
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Term
| what is the menstrual cycle? |
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Definition
| when the female sheds her uterine lining every month |
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Term
| what are the two categories of estrous cycles? |
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Definition
| polyestrous and monoestrous |
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Term
| what is a polyestrous cycle? |
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Definition
| more than one estrous cycle per year |
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Term
| what is a monoestrous cycle? |
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Definition
| only one estrous cycle a year i.e. dogs, cats, |
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Term
| what are the five phases of the estrous cycle? |
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Definition
1. proestrus (follicular phase)
2. estrus (ovulation)
3. metestrus (luteal phase)
4. early diestrus (luteal phase)
5. late diestrus (luteal phase) |
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Term
| what happens during the proestrus phase? |
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Definition
| estrogen levels are high and LH is stimulated |
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Term
| what happens during the estrus stage? |
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Definition
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Term
| what happens duing the metestrus stage? |
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Definition
| females are no longer receptive to males |
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Term
| what happens during the early diestrus stage? |
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Definition
| corpus luteus is formed and progesterone is increased |
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Term
| what happens during the late diestrus stage? |
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Definition
| the corpus lutuem is destroyed and progesterone secretion drops |
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