lissencephaly

(redirected from Lissencephaly syndrome)

lissencephaly

 [lis″en-sef´ah-le]
agyria. adj., adj lissencephal´ic.

a·gy·ri·a

(ā-jī'rē-ă),
Congenital lack or underdevelopment of the convolutional pattern of the cerebral cortex.
[G. a- priv. + gyros, circle]

lissencephaly

/lis·sen·ceph·a·ly/ (lis″en-sef´ah-le) agyria.lissencephal´ic

lissencephaly

See agyria.

lissencephaly

Neurology A brain malformation that is isolated or associated with other syndromes–eg, Miller-Dieker syndrome, Norman-Roberts syndrome, characterized by absence–agyria or incomplete development–pachygyria of cerebral gyri Clinical Microcephaly, seizures, profound mental retardation, feeding difficulties, growth retardation, impaired motor activity

Miller,

James Q., U.S. physician.
Miller-Dieker syndrome - arrested brain development. Synonym(s): lissencephaly; Norman-Roberts syndrome

lissencephaly

a malformation in which the gyri of the cerebral cortex are not normally developed. In dogs it has been associated with behavioral abnormalities, visual deficits, ataxia and seizures. Called also agyria.
References in periodicals archive ?
A persistently and significantly small fetal head with normal-appearing sonographic anatomy may, for example, reveal a lissencephaly syndrome on MRI exam.