The squamosal suture, or squamous suture, arches backward from the

pterion The pterion is the region where the frontal, parietal, temporal, and sphenoid bones join. It is located on the side of the skull, just behind the temple. Structure The pterion is located in the temporal fossa, approximately 2.6 cm beh ...

and connects the temporal squama with the lower border of the parietal bone: this suture is continuous behind with the short, nearly horizontal parietomastoid suture, which unites the

mastoid process The mastoid part of the temporal bone is the posterior (back) part of the temporal bone, one of the bones of the skull. Its rough surface gives attachment to various muscles (via tendons) and it has openings for blood vessels. From its borders, ...

of the temporal with the region of the mastoid angle of the parietal bone. The term parietotemporal suture may refer to both of these sutures or exclusively to the parietomastoid suture and its use is, therefore, best avoided.

Gallery

File:Squamosal suture - animation04.gif, Animation. Left parietal bone removed. Squamosal sutures shown in red. File:Squamosal suture - animation06.gif, Parietal bones (above) and

temporal bone The temporal bones are situated at the sides and base of the skull, and lateral to the temporal lobes of the cerebral cortex. The temporal bones are overlaid by the sides of the head known as the temples, and house the structures of the ears. ...

s (below). File:Gray188 - Squamosal suture.PNG, Side view of the skull. Squamosal suture indicated by the black arrows. File:Temporo-parietal_suture_4.jpg, Close up of left temporal bone. Squamosal suture indicated by the yellow arrows.

External links

* Bones of the head and neck Cranial sutures Human head and neck Joints of the head and neck Skeletal system Skull {{musculoskeletal-stub