Master Of Medicine

Interesting facts regarding cranial nerves.

• Olfactory nerve is the only sensory cranial nerve that projects directly to the cerebral cortex.
• Optic nerve terminates in thalamus
• Vagus nerve is the only cranial nerve which supplies in areas other than head and neck.
• Trochlear nerve is the only cranial nerve to emerge from dorsal surface of brain stem.
• Trochlear nerve is smallest in terms of number of axons it carries.
• Trochlear nerve supplies only one muscle – Superior Oblique.
• Trochlear nerve has the longest intracranial course.