The sciatic nerve is the dominant nerve that innervates the lower back and the lower extremities. It travels from the lower spine, through the pelvis, and down each leg. It is the longest and widest ...

There are 12 cranial nerves in the body, all originating in the brain. They come in pairs and connect different body areas and organs to the brain. Cranial nerves can transmit two types of information ...

The obturator nerve is a large, multibranched nerve that travels through your pelvis to your inner thigh. This nerve helps you feel sensations like temperature and pain in your lower limbs. It also ...

A complex system of nerves and muscles enables the human eye to blink, gaze, and shift focus. The trochlear nerve is one of six cranial nerves that carry electrical impulses from the brain to the eye.