defined:

A birth defect whereby an infant's skull bones are already fused at birth. Because this defect may interfere with the ability of the brain to grow normally, it is often necessary to operate on affected children.

explained:

Listen to a detailed explanation. (Requires the free RealPlayer download)

Dr. Max Muenke, of the of the National Human Genome Research Institute's Medical Genetics Branch, defines craniosynostosis.

related
terms:

birth defect, gene

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