sciatic nerve

English Thesaurus

1. arises from the sacral plexus and passes about halfway down the thigh where it divides into the common peroneal and tibial nerves (noun.body)

hypernym	:	nerve, nervus,
definition	:	any bundle of nerve fibers running to various organs and tissues of the body (noun.body)

part meronym	:	leg,
definition	:	a human limb; commonly used to refer to a whole limb but technically only the part of the limb between the knee and ankle (noun.body)