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pheochromocytoma
(redirected from pheochromocytomas)

    Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
phe·o·chro·mo·cy·to·ma  (f-krm-s-tm)
n. pl. phe·o·chro·mo·cy·to·mas or phe·o·chro·mo·cy·to·ma·ta (-m-t)
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.
[pheochromocyte, chromaffin cell (Greek phaios, dusky + chromo- + -cyte) + -oma.]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.pheochromocytoma - a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension
phaeochromocytoma
neoplasm, tumor, tumour - an abnormal new mass of tissue that serves no purpose


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