In human anatomy, the sacral plexus is a nerve plexus which provides motor and sensory nerves for the posterior thigh, most of the lower leg, the entire foot, and part of the pelvis. It is part of the lumbosacral plexus and emerges from the lumbar vertebrae and sacral vertebrae (L4-S4). A sacral plexopathy is a disorder affecting the nerves of the...
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http://en.wikipedia.org/wiki/Sacral_plexus
(from the article `nervous system, human`) The ventral rami of L5 and S1–S3 form the sacral plexus, with contributions from L4 and S4. Branches from this plexus innervate gluteal muscles, ...
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http://www.britannica.com/eb/a-z/s/3
Formed by the fourth and fifth lumbar (lumbosacral trunk) and first, second, and third sacral nerves; it lies on the inner surface of the posterior wall of the pelvis usually embedded in the piriformis muscle; its nerves supply the lower limbs, its major product being the sciatic nerve. ... Synonym: plexus sacralis, ischiadic plexus, sciatic plexus...
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http://www.encyclo.co.uk/local/20973
a plexus arising from the ventral branches of the last two lumbar and first four sacral spinal nerves. Plexus sacralis (sacral plexus), in yellow, in anterior (A) and lateral (B) views. The lumbar plexus is shown in white.
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http://www.encyclo.co.uk/local/21001
Type: Term Definitions: 1. plexus formed by the fourth and fifth lumbar (lumbosacral trunk) and first, second, and third sacral nerves; it lies on the inner surface of the posterior wall of the pelvis usually embedded in the piriformis muscle; its nerves supply the lower limbs, its major product being the sciatic nerve. Synonyms: plexus sacralis, i...
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http://www.medilexicon.com/medicaldictionary.php?t=70016
(plek;sus) A network of nerve fibers that arises from spinal nerves L4 through S3. Nerves arising from the sacral plexus merge with those from the lumbar plexus to form the lumbosacral plexus and supply the lower extremity.
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http://www.mhhe.com/biosci/abio/glossary.mhtml
[
n] - a nerve plexus formed by the 4th and 5th lumbar and 1st, 2nd, 3rd sacral nerves
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http://www.webdictionary.co.uk/definition.php?query=sacral%20plexus
plexus sacralis noun a nerve plexus formed by the 4th and 5th lumbar and 1st, 2nd, 3rd sacral nerves; supplies the pelvic region and lower limbs
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https://www.encyclo.co.uk/local/20974
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