| Term Name: | lissencephaly |
|---|---|
| Synonyms: | |
| Definition: | A congenital nervous system abnormality characterized by the absence of folds in the cerebral cortex and caused_by defective neuronal migration during the 12th to 24th weeks of gestation. |
| Ontology: | Human Disease [DOID:0050453] ( DOID:0050453 ) |