The Cavernous Sinus - Contents - Borders - TeachMeAnatomy

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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, and is arguably the most clinically important venous sinus.

In this article, we shall look at the anatomy of the cavernous sinus – its location, contents and clinical relevance.

The dural venous sinuses are channels between the two layers of dura mater which are responsible for the venous drainage of the brain, skull, orbit and internal ear. Read more about their anatomy and function here.

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