The cavernous sinus is a paired dural venous sinus located within the cranial cavity. It is divided by septa into small ‘caves’ - from which it gets its name. Each cavernous sinus has a close anatomical relationship with several key structures in the head. The cavernous sinus is a large, paired venous sinus located within the cranial cavity. It is part of the dural venous sinus system, responsible for... The cavernous sinus is part of the brain’s dural venous sinus and contains multiple neuro-vasculatures. It is situated bilaterally to the sella turcica and extends from the superior orbital fissure anteriorly to the petrous part of the temporal bone posteriorly, and is about 1 cm wide and 2 cm long. Cavernous sinus is defined as a dural sinus located on each side of the sphenoid bone, containing irregular cavernous spaces that collect venous blood from adjacent cerebral hemispheres, orbital structures, and other sinuses, and are interconnected to form a venous ring around the pituitary gland.
