Cavernous sinus
Encyclopedia : C : CA : CAV : Cavernous sinus
Cavernous sinus Oblique section through the cavernous sinus.
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| colspan="2" |Latin sinus cavernosus
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Gray's Fig. 570 - The sinuses at the base of the skull.
The cavernous sinus (or lateral sellar compartment ) is a large collection of thin-walled vein s creating a cavity bordered by the sphenoid bone and the temporal bone of the skull .
Each cavernous sinus (one for each hemisphere of the brain) contains the internal carotid artery , its sympathetic plexus, the oculomotor , trochlear , and abducens nerve s.
In addition, the ophthalmic and maxillary branches of the trigeminal nerve traverses the cavernous sinus.
It is the only anatomic location in the body in which an artery travels completely through a venous structure.
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