The sphenoparietal suture is the

cranial suture In anatomy, fibrous joints are joints connected by fibrous tissue, consisting mainly of collagen. These are fixed joints where bones are united by a layer of white fibrous tissue of varying thickness. In the skull, the joints between the bones ar ...

between the

sphenoid bone The sphenoid bone is an unpaired bone of the neurocranium. It is situated in the middle of the skull towards the front, in front of the basilar part of occipital bone, basilar part of the occipital bone. The sphenoid bone is one of the seven bon ...

and the

parietal bone The parietal bones ( ) are two bones in the skull which, when joined at a fibrous joint known as a cranial suture, form the sides and roof of the neurocranium. In humans, each bone is roughly quadrilateral in form, and has two surfaces, four bord ...

. It is one of the sutures that comprises 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. It is also considered to be the weakest part of the skull, which makes it clinically si ...

Additional images

File:Sphenoparietal suture.gif, Position of sphenoparietal suture (shown in red). Animation. File:Sphenoparietal suture4.gif,

Parietal bone The parietal bones ( ) are two bones in the skull which, when joined at a fibrous joint known as a cranial suture, form the sides and roof of the neurocranium. In humans, each bone is roughly quadrilateral in form, and has two surfaces, four bord ...

s (above) and

(below) File:Sphenoparietal suture - lateral view.png, Position of sphenoparietal suture File:Gray188-Sphenoparietal suture.png, Side view of the skull. Sphenoparietal suture indicated by the arrow. File:Gray164 - Sphenoparietal suture.png, Left

zygomatic bone In the human skull, the zygomatic bone (from ), also called cheekbone or malar bone, is a paired irregular bone, situated at the upper and lateral part of the face and forming part of the lateral wall and floor of the orbit, of the temporal fos ...

in situ. (Sphenoparietal suture visible at upper right in blue.)

References

External links

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