1. Mnemonics : Contents of the Cavernous Sinus @ O ur T eacher O verlooked M y C orrect A nswers. Oculomotor Nerve (CN III) Trochlear Nerve (CN IV) Ophthalmic Nerve (V1) Maxillary Nerve (V2) Carotid artery Abducent Nerve (CN VI) 2. Mnemonics: Bones of the skull: @ P erson T ired Of Studying Fails Everytime. Parietal (2) , Temporal (2) i.e. Paired O- Occipital (Unpaired) S- Sphenoid (Unpaired) F- Frontal (Unpaired) E- Ethmoid (Unpaired)