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.
Words nearby pheochromocytoma
phenylthiourea,
phenytoin,
pheo-,
pheochrome,
pheochromocyte,
pheochromocytoma,
pheon,
pherae,
pheresis,
pheromone,
pheromones
Medical definitions for pheochromocytoma
pheochromocytoma
[ fē′ō-krō′mō-sī-tō′mə ]
n. pl. phe•o•chro•mo•cy•to•mas
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.