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pheochromocytoma

[ fee-oh-kroh-moh-sahy-toh-muh ]
/ 藢fi o蕣藢kro蕣 mo蕣 sa瑟藞to蕣 m蓹 /
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noun, plural phe路o路chro路mo路cy路to路mas, phe路o路chro路mo路cy路to路ma路ta [fee-oh-kroh-moh-sahy-toh-muh-tuh]. /藢fi o蕣藢kro蕣 mo蕣 sa瑟藞to蕣 m蓹 t蓹/. Pathology.
a tumor of the sympathetic nervous system or adrenal medulla, that produces excess norepinephrine and epinephrine and causes hypertension, headaches, nausea, etc.
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Origin of pheochromocytoma

1925鈥30; pheochromocyte a chromaffin cell of the adrenal medulla (pheochrome chromaffin (<Greek phai(贸s) dusky + -o- + -chrome) + -o- + -cyte) + -oma; compare German Ph盲ochromocytom (1912)

Words nearby pheochromocytoma

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

Medical definitions for pheochromocytoma

pheochromocytoma
[ f膿鈥才-kr艒鈥瞞艒-s墨-t艒m蓹 ]

n. pl. phe鈥鈥hro鈥o鈥y鈥o鈥as
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.
The American Heritage庐 Stedman's Medical Dictionary Copyright 漏 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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