pheochromocytomata

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• pheochromocytoma — noun (plural mas; also pheochromocytomata) Etymology: New Latin, from International Scientific Vocabulary pheochromocyte chromaffin cell (from pheochrome chromaffin from Greek phaios dusky, gray + International Scientific Vocabulary chrome +… …   New Collegiate Dictionary

• pheochromocytoma — /fee oh kroh moh suy toh meuh/, n., pl. pheochromocytomas, pheochromocytomata / meuh teuh/. Pathol. a tumor of the sympathetic nervous system or adrenal medulla, that produces excess norepinephrine and epinephrine and causes hypertension,… …   Universalium