- pheochromoblast
- A primitive chromaffin cell that, with sympathetoblasts, enters into the formation of the adrenal gland. [G. phaios, dusky, + chroma, color, + blastos, germ]
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pheo·chro·mo·blast or Brit phaeo·chro·mo·blast .fē-ō-'krō-mə-.blast n an embryonic cell destined to give rise to chromaffin tissue esp. of the adrenal medulla* * *
pheo·chro·mo·blast (fe″o-kroґmo-blast) any of the embryonic structures that develop into chromaffin (pheochrome) cells.
Medical dictionary. 2011.