chromaffin [kroh-muh-fin] Word Origin adjective Histology.
- having an affinity for stains containing chromium salts, indicating the presence of epinephrine or norepinephrine.
Origin of chromaffin German Chromaffine (1898), equivalent to chrom-+ Latin affinis next to, inclined to; see chromaffin in Medicine chromaffin [krō′mə-fĭn] adj.
- Staining a brownish yellow upon reaction with chromic salts. Used of certain cells in the medulla of the adrenal glands and in paraganglia.