Mondo Description Any complex cortical dysplasia with other brain malformations in which the cause of the disease is a mutation in the TUBB2B gene.

Uniprot Description A malformation of the cortex in which the brain surface is irregular and characterized by an excessive number of small gyri with abnormal lamination. Polymicrogyria is a heterogeneous disorder, considered to be the result of postmigratory abnormal cortical organization.

Disease Ontology Description A complex cortical dysplasia with other brain malformations characterized by autosomal dominant inheritance of abnromalities in coritcal brain development that has_material_basis_in heterozygous mutation in the TUBB2B gene on chromosome 6p25.