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 move from their place of origin to their permanent location. The surface of a normal brai
Found on http://www.medterms.com/script/main/art.asp?articlekey=15545
Synonym: agyria. ... Origin: G. Lissos, smooth, + enkephalos, brain ... (05 Mar 2000) ...
Found on http://www.mondofacto.com/facts/dictionary?lissencephaly
(lis″әn-sef´ә-le) agyria. adj., lissencephal´ic., adj.
Found on http://www.encyclo.co.uk/local/21001
lissencephalia, lissencephalic, lissencephaly 1. Lack of convolutional patterns in the cerebral cortex due to some defect of development; also known as agyria [a-, 'no' plus gyros, 'circle']. 2. A rare brain formation disorder characterized by microcephaly and the lack of normal convolutions (folds) in the brain. It is caused by defective neuronal
Found on http://www.wordinfo.info/words/index/info/view_unit/1196/
A birth defect that involves the folds of the brain. Rather than the brain being full of ridges and bumpy, a child with lissencephaly will have a smooth brain surface. Because the nerve cells are not in the proper location, they cannot communicate with one another, which will cause the cells in the cerebral cortex to be abnormal. In return, the cer
Found on http://www.pregnology.com/AZ/L/3
Type: Term Pronunciation: lis′en-sef′ă-lē Synonyms: agyria
Found on http://www.medilexicon.com/medicaldictionary.php?t=50906
Lissencephaly, which literally means smooth brain, is a rare brain formation disorder caused by defective neuronal migration during the 12th to 24th weeks of gestation resulting in a lack of development of brain folds (gyri) and grooves (sulci). It is a form of cephalic disorder. Terms such as `agyria` (no gyri) or `pachygyria` (broad gyri) ar...
Found on http://en.wikipedia.org/wiki/Lissencephaly
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