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14 Cards in this Set
- Front
- Back
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Gonadotropins
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Hormones that stimulate ovaries
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What produces progesterone?
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Corpus luteum (graafian follicle)
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Two gonadotropins
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FSH - Follicle Simulating Hormone
LH - Luteinizing Hormone |
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When estrogen level is high, the pituitary gland secretes __ and decreases production of ___.
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LH and FSH
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High levels of progesterone inhibit __ release if ovum not fertilized.
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LH - Luteinizing hormone
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If the egg is not fertilized, the ______ ______ degenerates, _____________ decreases and menstruation occurs.
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corpus luteum
progesterone |
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Low estrogen levels stimulate production of which two hormones?
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Gonadotropin releasing hormone (GnRH) and Follicle Stimulating hormone (FSH)
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What causes the follicle to erupt?
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Luteinizing hormone LH
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At ovulation what negatively inhibits further FSH release?
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High estrogen levels
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High progesterone levels negatively inhbit further release of what hormone?
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LH - Leteinizing hormone
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Ovaries produce?
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Estrogens and Progesterone
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Three major endogenous estrogens
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Estradiol
Estone Estriol |
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Estradiol
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The principal and most active of the 3 major endogenous estrogens, released during child bearing years
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Effect of estrogen
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Female body characteristics
Release of pituitary gonadotropins (or non release) Capillary dilatation Protein metabolism inhibition of ovulation ^ certain clotting factors, enhancing blood coagulation Decrease rate of bone resorption by antagonizing parathyroid hormone - protective for baby |
