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14 Cards in this Set
- Front
- Back
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Adrenal Glands
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2 glands located superior to kidneys
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Adrenal cortex
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outer portion of adrenal gland; divided into 3 zones
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3 zones of adrenal gland
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Zona glomerulosa
Zona fasciculata Zona reticularis |
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Zona glomerulosa
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outer layer; secretes Mineralocorticoids
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Minerlaocortocoid
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(esp. Aldosterone) sodium in blood up; potassium down
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Zona fasciculata
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middle layer; secretes glucocorticoids
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Glucocorticoids
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esp. cortisol; organic metabolism and stress
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zona reticularis
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Inner layer; synthesizes gonadocorticoids
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Gonadocorticoids
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Sex hormones; effects in adults esp. insignificant
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Adrenal medulla and hormones
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modified posterior ganglia of A.N.S.
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Chromaffin cells
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secrete adrenal medulla hormones; are regaurded as modified postganglionic cells of S.N.S.; are directly innervated by preganglionic fibers of the sympathetic division of the A.N.S.
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Hormones include:
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Epinephrine & norepinephrine
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Epinephrine
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Hormone secreted by adrenal medulla that produces actions similar to those that result from sypathetic stimulation
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Norepinephrine
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A hormone secreted by the adrenal medulla that produces actions similar to those that result from sypathetic stimulation
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