Anatomy Of The Cavernous Sinus

Venous blood drains posteroinferiorly to eventually empty into the pytergoid plexuses. The cavernous sinus is made up of very thin walled veins that make up a venous plexus.

Cavernous Sinus Anatomy

The cavernous sinus receives venous blood from the following.

Anatomy of the cavernous sinus. Superior petrosal sinus to the transverse sinus. It is clinically important because of its location its close relationship to several cranial nerves and the internal carotid artery and the complex of veins without valves which drain from and to the paired cavernous sinuses. Anterior superior orbital fissure.

Superior and inferior ophthalmic veins. The cavernous sinus is one of the dural venous sinuses of the head. Medial body of the sphenoid bone.

Posterior petrous part of the temporal bone. Roof meningeal layer of the dura mater. The cavernous sinuses are 1 cm wide cavities that extend a distance.

There are numerous structures surrounding the cavernous sinus that are noteworthy. It is a network of veins that sit in a cavity approximately 1 x 2 cm in size in an adult. The cavernous sinus contains the internal carotid artery and several cranial nerves.

2 the carotid siphon of the internal carotid artery and cranial nerves iii iv v branches v 1 and v 2 and vi all pass through this blood filled space. Lateral meningeal layer of the dura mater running from the roof to the floor. The cavernous sinus is a true dural venous sinus and not a venous plexus.

Venous plexus on the internal carotid artery ica to the clival basilar venous plexuses. The borders of the cavernous sinus are as follows. Drainage of the cavernous sinus is via.

Inferior petrosal sinus directly to the jugular bulb. Superior middle cerebral vein. Emissary veins passing through the.

Operative Management Of Tumors Involving The Cavernous Sinus