polymicrogyria

polymicrogyria

 [pol″e-mi″kro-ji´re-ah]

a brain malformation marked by development of numerous microgyri.

polymicrogyria

/poly·mi·cro·gy·ria/ (-mi″kro-ji´re-ah) a developmental anomaly of the brain marked by development of numerous small convolutions (microgyri), causing mental retardation.

polymicrogyria

See microgyria.

polymicrogyria

A malformation of the cerebral cortex in which the brain surface is irregular and characterised by an excessive number of small gyri with abnormal lamination.

polymicrogyria

a brain malformation marked by development of numerous microgyri.