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Anatomy General 798d4d77

All except one are true regarding cavernous sinus

A

Cavernous sinus roof is formed by meningeal layer of duramater, and floor is formed by endosteal layer of duramater.

B

It is an unpaired venous sinus.

C

3rd and 4th cranial nerve and internal carotid artery pierce roof of cavernous sinus

D

Abducens nerve passes through the cavernous sinus.

High-Yield Explanation

Cavernous sinus is a paired venous sinus.

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