the abducens nerve is the sixth cranial nerve (CN VI). This nerve has only a motor function and lacks a sensory function. Along with the oculomotor nerve (CN III) and the trochlear nerve (CN IV ...

[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 palsies respectively. CN VI palsies occur ...