Толковый словарь английского языка - pheochromocytoma

noun (plural -mas; also ~ta) Etymology: New Latin, from International Scientific Vocabulary pheochromocyte chromaffin cell (from pheochrome chromaffin — from Greek phaios dusky, gray + International Scientific Vocabulary -chrome — + -cyte) + New Latin -oma Date: 1929 a tumor that is derived from chromaffin cells and is usually associated with paroxysmal or sustained hypertension