Some of them provide both sensory and motor function and are thus called mixed nerves. In your head, you have 12 symmetrical pairs of cranial nerves. Each one has a right and left side ...

The ophthalmic nerve is the first branch of the trigeminal nerve, which is also known as the fifth cranial nerve. The ophthalmic nerve supplies sensory innervation to the structures of the eye ...

Evidence for this function first came from studies of the organ's anatomy and its nerves as well as the structure ... of the intracranial joint and other cranial muscles, the coelacanth usually ...