sciatic nerve

noun

Definition of sciatic nerve

: either of the pair of largest nerves in the body that arise one on each side from the nerve plexus supplying the posterior limb and pelvic region and that pass out of the pelvis and down the back of the thigh

First Known Use of sciatic nerve

1726


SCIATIC NERVE Defined for English Language Learners

sciatic nerve

noun

Definition of sciatic nerve for English Language Learners

  • medical : a nerve that goes from the lower back down the back of the leg


Medical Dictionary

sciatic nerve

noun

medical Definition of sciatic nerve

: either of the pair of largest nerves in the body that arise one on each side from the sacral plexus and that pass out of the pelvis through the greater sciatic foramen and down the back of the thigh to its lower third where division into the tibial and common peroneal nerves occurs

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