sciatic nerve

sciatic nerve

n.

A sensory and motor nerve originating in the sacral plexus and running through the pelvis and upper leg.

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sciatic nerve  (s-tk)

A thick nerve that arises in the lower part of the spine and passes through the pelvis on its way to the back of the leg. It carries sensory information from the leg to the central nervous system and controls the action of many muscles. The sciatic nerve is the largest nerve in the body.

Thesaurus

Noun

1.

sciatic nerve - arises from the sacral plexus and passes about halfway down the thigh where it divides into the common peroneal and tibial nerves nervus ischiadicus nerve, nervus - any bundle of nerve fibers running to various organs and tissues of the body leg - a human limb; commonly used to refer to a whole limb but technically only the part of the limb between the knee and ankle