The cavernous sinus ( or lateral sellar compartment ) , within the human head , is a large collection of thin - walled veins creating a cavity bordered by the temporal bone of the skull and the sphenoid bone , lateral to the sella turcica .
The cavernous sinus ( or lateral sellar compartment ) , within the human head , is a large collection of thin - walled veins Jonathan Dutton . 
 Atlas of Clinical and Surgical Orbital Anatomy , 2011.ch1 creating a cavity bordered by the temporal bone of the skull and the sphenoid bone , lateral to the sella turcica .