<unk>  is a type of cephalic disorder which occurs when there is a premature fusion of the sagittal suture. The sagittal suture joins together the two parietal bones of the skull.<unk>  is the most common of the craniosynostosis conditions and is characterized by a long, narrow head.
Scaphocephaly
Trigonocephaly
Plagiocephaly
Dolichocephaly
Colpocephaly
Cebocephaly
Oxycephaly
Ethmocephaly