paraganglioma

noun
para·​gan·​gli·​o·​ma | \ -ˌgaŋ-glē-ˈō-mə How to pronounce paraganglioma (audio) \
plural paragangliomas also paragangliomata\ -​mət-​ə How to pronounce paragangliomata (audio) \

Medical Definition of paraganglioma

: a ganglioma derived from chromaffin cells — compare pheochromocytoma