The sphenoparietal sinus is a paired

dural venous sinus The dural venous sinuses (also called dural sinuses, cerebral sinuses, or cranial sinuses) are venous channels found between the endosteal and meningeal layers of dura mater in the brain. They receive blood from the cerebral veins, receive cereb ...

situated along the posterior edge of the lesser wing of either

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 bones ...

. It drains into the

cavernous sinus The cavernous sinus within the human head is one of the dural venous sinuses creating a cavity called the lateral sellar compartment bordered by the temporal bone of the skull and the sphenoid bone, lateral to the sella turcica. Structure The cave ...

Anatomy

A sphenoparietal sinus is situated under each lesser wing of the sphenoid bone near the posterior edge of this bone, between the anterior cranial fossa and middle cranial fossa. It terminates by draining into the anterior part of the

Tributaries

A sphenoparietal sinus receives small veins from the adjacent dura and sometimes the frontal ramus of the middle meningeal vein, communicating rami from the

superficial middle cerebral vein The middle cerebral veins are the superficial middle cerebral vein and the deep middle cerebral vein. * The superficial middle cerebral vein (superficial Sylvian vein) begins on the lateral surface of the hemisphere, running along the lateral sulc ...

, temporal lobe veins, and the anterior temporal

diploic veins The diploic veins are large, thin-walled valveless veins that channel in the diploë between the inner and outer layers of the cortical bone in the skull. They are lined by a single layer of endothelium supported by elastic tissue. They develop fu ...

References

Additional images

File:Human brain dura mater (reflections) description.JPG, Human brain dura mater (reflections) {{Authority control Veins of the head and neck