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Definition
| The process by which gametes are produced in mammalian bodies. |
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Definition
| The development of mature ova. |
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Definition
| The development of mature sperm cells. |
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Definition
| A type of reproductive cycle in higher female primates, in which the nonpregnant endometrium is shed as a bloody discharge through the cervix into the vagina. |
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Definition
| A type of reproductive cycle in all female mammals except higher primates, in which the nonpregnant endometrium is reabsorbed rather than shed, and sexual response occurs only during mid–cycle at estrus. |
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Definition
| The changes that occur in the uterus during the reproductive cycle of the human female; also called the menstrual cycle. |
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Definition
| The cyclic recurrence of the follicular phase, ovulation, and the luteal phase in the mammalian ovary, regulated by hormones. |
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Definition
| Ovary-specific stem cells. |
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Term
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Definition
| Immature oocytes that remain quiescent within small follicles until puberty when hormones reactivate them. |
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Definition
| Oocytes arrested at metaphase II that are released only when matured; follicle breaks open at that point. |
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Definition
| Stem cells that give rise to sperm. |
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Term
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Definition
| A special body on the head of sperm which contain enzymes that help the sperm penetrate the egg. |
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Term
| Phases of the Ovarian Cycle |
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Definition
| Follicular phase; ovulation; luteal phase. |
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Term
| Phases of the Uterine Cycle |
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Definition
| Proliferative phase; secretory phase; menstrual flow phase. |
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Definition
| That part of the ovarian cycle during which follicles are growing and oocytes maturing. |
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Term
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Definition
| The release of an egg from ovaries. In humans, an ovarian follicle releases an egg during each uterine (menstrual) cycle. |
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Term
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Definition
| That portion of the ovarian cycle during which endocrine cells of the corpus luteum secrete female hormones. |
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Term
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Definition
| That portion of the uterine (menstrual) cycle when the endometrium regenerates and thickens. |
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Definition
| That portion of the uterine (menstrual) cycle when the endometrium continues to thicken, becomes more vascularized, and develops glands that secrete a fluid rich in glycogen. |
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Definition
| That portion of the uterine (menstrual) cycle when menstrual bleeding occurs. |
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Term
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Definition
| The permanent cessation of ovulation and menstruation. |
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