Illustration of a human brain (bottom view) with the so-called cranial nerve with their names and functions. Nerves that directly stem from the brain are called cranial nerves, most of them from the brain stem. They are: Terminal, olfactory, optic, oculomotor, trochlear, trigeminal, abducens, facial, vestibulocochlear, glossopharyngeal, vagus, accessory, and hypoglossal nerve.
