Sciatic nerve

Sciatic Nerve: A nerve which originates in the lumbar and sacral spinal cord (L4 to S3) and supplies motor and sensory innervation to the lower extremity. The sciatic nerve, which is the main continuation of the sacral plexus, is the largest nerve in the body. It has two major branches, the Tibial Nerve and the Peroneal Nerve.1

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Sciatic Nerve: The longest single nerve that is formed by the merging of the ventral rami of the L4, L5, and S1 in the pelvis and passes down the lower limb where it divides into the common peroneal and tibial nerves.2

Categories for Sciatic nerve

Category of Sciatic Nerve:


Anatomy Articles

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  1. Source: MeSH (U.S. National Library of Medicine)
  2. Source: NCI Thesaurus
  3. ibid.

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