Tags: Anatomical Structure, Nerve.
The sciatic nerve (/saɪˈætɪk/; also called ischiadic nerve ischiatic nerve) is a large nerve in humans and other animals. It begins in the lower back and runs through the buttock and down the lower limb. It is the longest and widest single nerve in the human body going from the top of the leg to the foot on the posterior aspect. The sciatic nerve supplies nearly the whole of the skin of the leg the muscles of the back of the thigh and those of the leg and foot.