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Children born with craniosynostosis have a distinct phenotype, i.e., appearance—observable traits caused by the expression of a condition's genes. The features of craniosynostosis' particular phenotype are determined by which suture is closed. [7] The fusion of this suture causes a certain change in the shape of the skull; a deformity of the ...
The frontal suture is a fibrous joint that divides the two halves of the frontal bone of the skull in infants and children. Typically, it completely fuses between three and nine months of age, with the two halves of the frontal bone being fused together.
Only a comparatively small part of the head at term is represented by the face. The rest of the head is composed of the firm skull, which is made up of two frontal, two parietal, and two temporal bones, along with the upper portion of the occipital bone and the wings of the sphenoid. These bones are separated by membranous spaces, or sutures.
Scaphocephaly or sagittal craniosynostosis is a type of cephalic disorder which occurs when there is a premature fusion of the sagittal suture. Premature closure results in limited lateral expansion of the skull, resulting in a characteristic long, narrow head. [1] The skull base is typically spared. [2]
Sphenofrontal suture (shown in red). Side view of the skull. (Sphenofrontal suture visible at center, between sphenoid bone , which is colored yellow in the diagram, and the frontal bone , which is colored in gray, and is at the upper left.).
Base of the skull. Upper surface. (Frontoethmoidal suture is ... Details; Identifiers; Latin ... 1589: FMA: 52949: Anatomical terminology [edit on Wikidata] The ...
The petrosquamous suture is a cranial suture between the petrous portion and the squama of the temporal bone. It forms the Koerner's septum . The petrous portion forms the medial component of the osseous margin, while the squama forms the lateral component.
Sphenozygomatic suture (blue circle), seen from behind. Side view of the skull. (Sphenozygomatic suture visible at center, between sphenoid bone , which is colored yellow in the diagram, and the zygomatic bone , which is colored in white.).