trigonocephaly [trĭg′ə-nō-sĕf′ə-lē, trī-gō′nō-] n. A malformation characterized by a triangular configuration of the skull, due in part to premature synostosis of the cranial bones with accompanying compression of the cerebral hemispheres.
Related formstrig′o•no•ce•phal′ic (-sə-făl′ĭk) adj. The American Heritage® Stedman’s Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Examples from the Web for trigonocephaly Historical Examples of trigonocephaly
Trigonocephaly (triangular head) is a variety of scaphocephaly in which depression occurs in place of the keel.
Eugene S. Talbot