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11 Cards in this Set
- Front
- Back
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Glucagon
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Released by alpha cells when blood glucose levels are low.
Stimulates the liver to produce glucose and break down glycogen. |
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Insulin
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Lowers blood glucose levels.
It increases the rate of glucose uptake and metabolism in most body cells. |
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Estrogens
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Stimulate follicle development, the maturation of the femal repro. system, & development of secondary sexual characteristics.
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Progestins
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Prepares uterus for implantatioin, establishes menstrual cycle, maintains pregnancy, and prepares mammary glands for milk secretion.
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Androgens
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Promote maturation of male sex organs and sperm, production of sperm and development of secondary sex characteristics such as aggressive behavior.
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Inhibin
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Produced by sustentacular cells of testes, and follicular cells of ovaries.
Inhibits secretion of FSH and maybe GnRH. |
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Melatonin
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Secreted by pineal gland.
Inhibits reproductive organ function, protects against free radicals, and influences circadian rhythms. |
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Calcitriol
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Secreted in response to PTH.
Stimulates uptake of calcium and phosporous from the gut. |
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Erythropoietin
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Stimulates production of red blood cells in bone marrow.
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Renin
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An enzyme that converts angiotensinogen into angiotensin I and starts the renin-angiotensin system.
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ANP
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Produced by atrial cells of the heart.
Reduces blood volume and blood pressure. |
