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Medical Definition of Oxycephalia
1. A type of craniosynostosis in which there is premature closure of the lambdoid and coronal sutures, resulting in an abnormally high, peaked, or conically shaped skull. Synonym: acrocephalia, acrocephaly, hypsicephaly, hypsocephaly, oxycephalia, steeple skull, tower skull, turricephaly. Origin: G. Oxys, pointed, + kephale, head (05 Mar 2000)