The ophthalmic nerve is the first branch of the trigeminal nerve, which is also known as the fifth cranial nerve ... three motor nerves of the eye including the trochlear nerve, the oculomotor ...

Cranial motor axon projections are guided by diffusible cues and aided by guideposts, such as nerve ... muscle and visceral organs. Oculomotor, trochlear and abducens SM neurons innervate the six ...

Isolated CN palsies are rare signs of MS. [143] Lesions within the brainstem may cause injury to the CN III, CN IV or CN VI nuclei or fascicles resulting in oculomotor, trochlear or abducens nerve ...