(ˌlɪsɛnˈsɛfələs) adj (Pathology) having the cephalic disorder of a lack of developed brain folds
lissencephalous
lissencephalous
, lissencephalic (lis″en-sef′ă-lŭs) (-sĕ-fal′ik) [Gr. lissos, smooth + encephalo-] Pert. to a condition in which the brain is smooth due to failure of the cerebral gyri to develop.lissencephaly (-sef′ă-lē)