<prompt> In cranial synostosis scaphyocephaly there is premature closure of which suture?Sagittal sutureCoronal sutureLarndid sutureAll above  <response>: Sagittal craniosynostosis, or scaphocephaly, occurs when ceain bones in a childs skull fuse prematurely. At bih, a childs skull is made up of several separate bones with growth plates also called sutures between them. Because the skull is not a solid piece of bone yet, the brain can grow and expand in size Reference Harrison20th edition pg 2776 