Term
What two nuclei are in the hypothalamus? |
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Definition
supraoptic nucleus and paraventricular nucleus |
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Term
What two hormones are produced by the supraoptic and paraventricular nuclei? |
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Definition
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Term
explain the posterior pituitary. |
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Definition
aka neurophysis, simple, operates with a single hormone cascade |
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Term
What is the function of ADH (vasopressin)? |
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Definition
increase H2O channels in DCT, cause vasoconstriction of smooth muscle in body |
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Term
What is the function of oxytocin? |
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Definition
uterine contractions during birth, milk ejection, and is used as a derivitive for the synthetic pitocin drip for labor induction |
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Term
explain the anterior pituitary. |
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Definition
aka adenohypophysis, more complex, uses a 3 hormone cascade |
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Term
What are the seven hormones of the anterior pituitary? |
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Definition
GH (growth hormone), ACTH, FSH, LH, TSH, PRL (prolactin, MSH |
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Term
what is the function of growth hormone (GH)? |
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Definition
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Term
what is the function of ACTH? |
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Definition
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Term
What is the function of FSH? |
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Definition
follicle and sperm production |
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Term
What is the function of LH? |
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Definition
ovulation, increase estrogen and progesterone (females) and increase testosterone in males |
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Term
What is the function of TSH? |
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Definition
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Term
what is the function of MSH? |
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Definition
skin coloring (melatonin) and learning and memory |
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Term
What is the function of prolactin? |
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Definition
females: breast development adn milk production
males: LH receptors on testes |
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Term
What is the infundibulum? |
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Definition
a collect of nerve fibers and blood vessels that connect the hypothalamus to the pituaries. |
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Term
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Definition
ductless gland secretes hormones into bloodstream and act at distance |
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Term
What are the hormones of the heart and where do they target and what is the their function? |
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Definition
atrial natriuretic protien (ANP) and brain natriuretic protien (BNP)
they target the kidneys and inhibit sodium reabsorption |
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Term
What are the hormones of the kidney and where do they target and what is the their function? |
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Definition
renin
targets adrenal cortex
stimulate aldosterone secretion |
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Term
What are the hormones of the adrenals and where do they target and what is the their function? |
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Definition
aldosterone targets kidneys to increase Na+ reabsorption and K+ secretion |
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Term
What are the hormones of the gonads? |
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Definition
estrogen, progesterone, testosterone and inhibin |
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Term
What are the hormones of the hypothatlmus and where do they target and what is the their function? |
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Definition
the hypothalamus is the target of the hormone leptin produced by adipose tissue to supress apetite and diet control |
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Term
What are the hormones of the pituitary and where do they target and what is the their function? |
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Definition
vasopressin, oxytocin, TSH, ACTH, GH, FSH, PRL, MSH |
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