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14 Cards in this Set

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Gonadotropins
Hormones that stimulate ovaries
What produces progesterone?
Corpus luteum (graafian follicle)
Two gonadotropins
FSH - Follicle Simulating Hormone
LH - Luteinizing Hormone
When estrogen level is high, the pituitary gland secretes __ and decreases production of ___.
LH and FSH
High levels of progesterone inhibit __ release if ovum not fertilized.
LH - Luteinizing hormone
If the egg is not fertilized, the ______ ______ degenerates, _____________ decreases and menstruation occurs.
corpus luteum
progesterone
Low estrogen levels stimulate production of which two hormones?
Gonadotropin releasing hormone (GnRH) and Follicle Stimulating hormone (FSH)
What causes the follicle to erupt?
Luteinizing hormone LH
At ovulation what negatively inhibits further FSH release?
High estrogen levels
High progesterone levels negatively inhbit further release of what hormone?
LH - Leteinizing hormone
Ovaries produce?
Estrogens and Progesterone
Three major endogenous estrogens
Estradiol
Estone
Estriol
Estradiol
The principal and most active of the 3 major endogenous estrogens, released during child bearing years
Effect of estrogen
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