title: [Brain malformation and mental retardation].
mesh_terms: D000757:Anencephaly / Q000196:embryology; D000798:Angiomatosis / Q000196:embryology; D001139:Arnold-Chiari Malformation / Q000196:embryology; D001921:Brain / Q000002:abnormalities* / Q000196:embryology / Q000473:pathology; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D000013:Congenital Abnormalities / Q000473:pathology; D004314:Down Syndrome / Q000196:embryology; D005124:Eye Abnormalities; D006801:Humans; D008607:Intellectual Disability / Q000150:complications* / Q000473:pathology; D009456:Neurofibromatosis 1 / Q000196:embryology; D012878:Skin Neoplasms / Q000196:embryology