Myelinated neurons transmit electrical signals more quickly than the unmyelinated nerves in the body. Myelinated axons are present in sensory neurons and motor neurons, but not all sensory and motor ...

Trigeminal neuralgia (TN) is an intensely painful condition in which the trigeminal, or fifth cranial nerve, becomes irritated. TN can be an early symptom of multiple sclerosis. People who have ...