chromaffin [kroh-muh-fin] Word Origin adjective Histology.

  1. having an affinity for stains containing chromium salts, indicating the presence of epinephrine or norepinephrine.

Origin of chromaffin German Chromaffine (1898), equivalent to chrom- chrom- + Latin affinis next to, inclined to; see affinity chromaffin in Medicine chromaffin [krō′mə-fĭn] adj.

  1. 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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