[‚fē·ō′krō·mə‚blast] (histology) A precursor of a pheochromocyte.
pheochromoblast
pheochromoblast
[fe″o-kro´mo-blast] any of the embryonic structures that develop into chromaffin(pheochrome) cells.
phe·o·chro·mo·blast
(fē'ō-krō'mō-blast), A primordial chromaffin cell that, with sympathetoblasts, enters into the formation of the adrenal gland. [G. phaios, dusky, + chrōma, color, + blastos, germ]