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Ch.18 & Ch. 19
Endocrine and Circulatory Systems
7
Anatomy
Undergraduate 3
06/13/2012

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Term
adrenal glands
Definition
superior to kidneys, right and left, composed on adrenal medulla (centrally located) and adrenal cortex (periferally located)
Term
Adrenal cortex
Definition
three zones: zona glomerulosa(mineralocorticoids); zona fasciculata (glucocorticoids); zona reticularis (adrogens)
Term
zona glomerulosa
Definition
mineralocorticoids
Term
zona fasciculata
Definition
glucocorticoids
Term
zona reticularis
Definition
androgens
Term
mineralocorticoids
Definition
aldosterone
Term
RAA pathway
Definition
Renin-angiostensin-aldosterone pathway: dehydration or Na deficiency causes a descrease in blood volume, decrease in blood pressure which stimlates kidneys to produce renin which converts angiotensinogen made from the liver to angiotensin I, this stimulates ACE to conver AI into AII, AII stimulates adrenal cortex to secrete aldosterone which causes kidneys to take in Na and water
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