title: Presidential address. Cytogenesis and differentiation of primitive central neuroepithelial tumors.
mesh_terms: D000293:Adolescent; D001254:Astrocytoma / Q000473:pathology; D001921:Brain / Q000196:embryology; D001932:Brain Neoplasms / Q000473:pathology; D002454:Cell Differentiation; D002528:Cerebellar Neoplasms / Q000209:etiology; D002675:Child, Preschool; D004247:DNA / Q000096:biosynthesis; D004806:Ependymoma / Q000473:pathology; D005260:Female; D006801:Humans; D007223:Infant; D008527:Medulloblastoma / Q000209:etiology / Q000473:pathology; D009380:Neoplasms, Nerve Tissue / Q000196:embryology*; D018241:Neuroectodermal Tumors, Primitive, Peripheral / Q000151:congenital / Q000473:pathology; D010871:Pinealoma / Q000473:pathology
chemical_list: D004247:DNA