Miller-Deiker syndrome

a chromosomal abnormality resulting in a characteristic facial appearance and the absence of the grooves on the surface of the brain (see lissencephaly). Affected individuals are severely mentally retarded.

Medical dictionary. 2011.

Look at other dictionaries:

  • Miller-Deiker syndrome — a chromosomal abnormality resulting in a characteristic facial appearance and the absence of the grooves on the surface of the brain (see lissencephaly). Affected individuals are severely mentally retarded …   The new mediacal dictionary

  • Lissencephaly — A brain malformation characterized by microcephaly and the lack of normal convolutions (folds) in the brain. Lissencephaly literally means smooth brain. It is caused by defective neuronal migration, a defect in the process in which nerve cells… …   Medical dictionary

  • lissencephaly — smooth brain; n. a condition in which the brain develops abnormally – it has no grooves on the outside, large ventricles, and generally is smaller than it should be. Lissencephaly causes severe mental retardation and failure to thrive. See also:… …   The new mediacal dictionary

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