title: The ultrastructure of medulloblastomas.
mesh_terms: D001932:Brain Neoplasms / Q000473:pathology*; D002454:Cell Differentiation; D003593:Cytoplasm; D003937:Diagnosis, Differential; D006652:Histological Techniques; D006801:Humans; D008527:Medulloblastoma / Q000473:pathology*; D008854:Microscopy, Electron; D009457:Neuroglia; D012509:Sarcoma / Q000473:pathology; D013194:Staining and Labeling