medulla of adrenal gland


n.

Any of the anastomosing cords of cells located in the core of the adrenal gland that display a chromaffin reaction because of the presence of epinephrine and norepinephrine in their granules.

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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.