<prompt> Structures in the lateral wall of the cavernous sinus include all EXCEPTOculomotor nerveTrochlear nerveOptic nerveAbducens nerve  <response>: D Abducens nerve Cavernous sinus: is a large venous space situated in the middle cranial fossa, on either side of the body of the sphenoid bone. Structures in the lateral wall of the sinus, from above downwards: 1. Oculomotor nerve; 2. Trochlear nerve; 3. Ophthalmic nerve; 4. Maxillary nerve; 5. Trigeminal ganglion Structure passing through the centre of the sinus: 1. Internal carotid artery with the venous and sympathetic plexus around it. 2. Abducent nerve. 