adrenal medulla

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adrenal medulla

[ə′drēn·əl mə′dəl·ə]
(anatomy)
The hormone-secreting chromaffin cells of the adrenal gland that produce epinephrine and norepinephrine.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.