Pheochromocytoma Definition

fēō-krōmō-sī-tōmə
pheochromocytomas, pheochromocytomata
noun
A usually benign tumor of the adrenal medulla or the sympathetic nervous system in which the affected cells secrete increased amounts of epinephrine or norepinephrine.
American Heritage Medicine
Synonyms:
  • phaeochromocytoma

Other Word Forms of Pheochromocytoma

Noun

Singular:
pheochromocytoma
Plural:
pheochromocytomas, pheochromocytomata

Origin of Pheochromocytoma

  • pheochromocyte chromaffin cell (Greek phaios dusky) (chromo–) (–cyte) –oma

    From American Heritage Dictionary of the English Language, 5th Edition

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