Ch28-Uterine Cycle – Flashcards
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Uterine Cycle
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cycle that prepares uterus for implantation
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1-5
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days of menstrual
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6-14
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days of proliferation
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15-28
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days of secretory phase
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Menstrual phase
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constriction of spiral arteries
shedding of endometrium
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Proliferation
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rebuilding of endometrium, estrogen rises, production of progesterone receptors on ednometrial cells
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Proliferation
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ovulation triggered by LH spike is in what uterine cycle phase?
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LH
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what hormone triggers ovulation
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Estrogen
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what hormones is dominate of proliferation phase
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None
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what hormone is dominate of menstrual phase
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Progesteron
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what hormone is dominate in secretory phase
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Secretory phase
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endometrium prepares for implantantion
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Secretory phase
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phase that progesterone affect endometrium by formation of cervical plug, inhibits LH secretion and secretets glycogen rich mucous
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Glycogen rich mucous secreted, Cervical plugged, LH inhibit
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how does progesterone (secretory phase) affect endometrium
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Corpus luteum
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where does progesterone come from for the secretory phase?
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endometrial
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what cell produces progesterone in proliferative phase?
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Developing follicles
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wehre does the estrogen come from during the proliferative phase
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ovulation
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the process of releasing a mature ovum into the fallopian tube each month
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spiral arteries
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what constricts during the menstrual phase
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LH
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progesterone inhibin what hormone
