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A type of craniosynostosis in which there is premature closure of the lambdoid and coronal sutures, resulting in an abnormally high, peaked, or conical cranium.
Synonym(s): acrocephalia, acrocephaly, hypsicephaly, hypsocephaly, oxycephalia, steeple skull, tower skull, turricephaly
[G. oxys, pointed, + kephalē, head]
The condition of having a skull with a cranial index greater than 75.1 degrees.