ganglioneuroma gan·gli·o·neu·ro·ma (gāng'glē-ō-n&oobreve;-rō'mə, -ny&oobreve;-)
n.
A benign neoplasm composed of mature ganglionic neurons scattered singly or in clumps within a relatively abundant and dense stroma of neurofibrils and collagenous fibers. Also called gangliocytoma, ganglioma, neurocytoma.