<prompt> Which of the following structure is not related to cavernous sinus?Abducent nerveOptic nerveOphthalmic nerveTrochlear nerve  <response>: Five structures in lateral wall of cavernous sinus1. Oculomotor nerve 2. Trochlear nerve 3. Ophthalmic nerve 4. Maxillary nerve 5. Trigeminal ganglion Note: Internal carotid aery wrapped in its venous and sympathetic plexus along with abducent nerve passes through the center of the cavernous sinus. 