adrenal medulla(redirected from Medullary portion)
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Related to Medullary portion: medullary pyramid
The inner, reddish-brown portion of the adrenal glands that synthesizes, stores, and releases epinephrine and norepinephrine.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||adrenal medulla - the medulla of the adrenal gland; secretes epinephrine|
ductless gland, endocrine gland, endocrine - any of the glands of the endocrine system that secrete hormones directly into the bloodstream
adrenal, adrenal gland, suprarenal gland - either of a pair of complex endocrine glands situated near the kidney
medulla - the inner part of an organ or structure in plant or animal
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