Main Entry: pheo·chro·mo·cy·to·ma

Pronunciation: \ˌfē-ə-ˌkrō-mə-sə-ˈtō-mə, -sī-\

Function: noun

Inflected Form(s): plural pheo·chro·mo·cy·to·mas also pheo·chro·mo·cy·to·ma·ta \-mə-tə\

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