Question #214

Which of the following structures passes through the cavernous sinus?

Cranial nerve V3

Cranial nerve IV

External carotid artery

Cranial nerve I

Middle meningeal vein

The cavernous sinus is a space between the two layers of dura sitting on either side of the sella turcica. Its contents include:

• Internal carotid artery
• Sympathetic fibres
• Cranial nerves III, IV, V1, V2 and VI

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