Learn Cranial Nerves

There are 12 pairs of cranial nerves. Some bring information from the sense organs to the brain; some control muscles; others are connected to glands or internal organs.

The nerves are often remembered by the
mnemonic ...

"On Old Olympic Towering Top
A Famous Vocal German
Viewed Some Hops"

... standing for: Ofactory, Optic, Oculomotor, Trochlear, Trigeminal, Abducens, Facial, Vestibulocochlear, Glossopharyngeal, Vagus, Spinal accessory, Hypoglossal.

Cranial Nerve	Major Functions
I Olfactory	smell
II Optic	vision
III Oculomotor	eyelid and eyeball movement
IV Trochlear	innervates superior oblique turns eye downward and laterally
V Trigeminal	chewing face & mouth touch & pain
VI Abducens	turns eye laterally
VII Facial	controls most facial expressions secretion of tears & saliva taste
VIII Vestibulocochlear (auditory)	hearing equillibrium sensation
IX Glossopharyngeal	taste senses carotid blood pressure
X Vagus	senses aortic blood pressure slows heart rate stimulates digestive organs taste
XI Spinal Accessory	controls trapezius & sternocleidomastoid controls swallowing movements
XII Hypoglossal	controls tongue movements

This article was taken from: webschoolsolutions