title: Light and electron microscopic observations on human ependymomas.
mesh_terms: D000328:Adult; D001808:Blood Vessels / Q000648:ultrastructure; D001921:Brain / Q000648:ultrastructure*; D001932:Brain Neoplasms / Q000473:pathology*; D002462:Cell Membrane / Q000648:ultrastructure; D004806:Ependymoma / Q000473:pathology*; D006801:Humans; D008297:Male; D008854:Microscopy, Electron