- Types:
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circadian rhythm
a daily cycle of activity observed in many living organisms
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change of life, climacteric, menopause
the time in a woman's life in which the menstrual cycle ends
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climacteric
a period in a man's life corresponding to menopause
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gestation, gestation period
the period during which an embryo develops (about 266 days in humans)
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refractory period
(neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response
