chromaffin (redirected from chromaffin reaction)

chromaffin /chro·maf·fin/ (kro-maf´in) staining strongly with chromium salts, as the chromaffin cells.

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chro·maf·fin (krm-fn)

adj.

Staining a brownish yellow upon reaction with chromic salts. Used of certain cells in the medulla of the adrenal glands and in paraganglia.

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chromaffin

[krō′məfin]

Etymology: Gk, chroma, color; L, affin, affinity

having an affinity for staining with chromium salts, especially brown staining of the cells of the adrenal, coccygeal, and carotid glands; certain cells of the adrenal medulla; and cells of the paraganglions. Also called chromaphil [krō′məfil] .

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chromaffin

taking up and staining strongly with chromium salts.

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chromaffin reaction

application of Zenker's solution to the flat cut surface of freshly excised chromaffin tumor forms a dark pigment within 20 minutes.

chromaffin tissue

a tissue composed largely of chromaffin cells, well supplied with nerves and vessels; it occurs in the adrenal medulla and also forms the paraganglia of the body, e.g. the carotid bodies, along with the sympathetic nerves, and in other organs.