| 单词 | pheochromocytoma |
| 释义 | pheochromocytoma[ fee-oh-kroh-moh-sahy-toh-muh ] / ˌfi oʊˌkroʊ moʊ saɪˈtoʊ mə / noun, plural phe·o·chro·mo·cy·to·mas, phe·o·chro·mo·cy·to·ma·ta [fee-oh-kroh-moh-sahy-toh-muh-tuh]. /ˌfi oʊˌkroʊ moʊ saɪˈtoʊ mə tə/. Pathology.a tumor of the sympathetic nervous system or adrenal medulla, that produces excess norepinephrine and epinephrine and causes hypertension, headaches, nausea, etc. Origin of pheochromocytoma1925–30; pheochromocyte a chromaffin cell of the adrenal medulla (pheochrome chromaffin (<Greek phai(ós) dusky + -o- + -chrome) + -o- + -cyte) + -oma; compare German Phäochromocytom (1912) Words nearby pheochromocytomaphenyl valerate, phenytoin, pheo-, pheochrome, pheochromocyte, pheochromocytoma, pheon, Pherae, pheresis, pheromone, pheromones Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Medical definitions for pheochromocytomapheochromocytoma [ fē′ō-krō′mō-sī-tō′mə ] n. pl. phe•o•chro•mo•cy•to•masA 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® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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