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sciatic nerve
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sciatic nerve
noun Anatomy.
either of a pair of nerves, the largest in the body, that originate in the sacral plexus of the lower back and extend down the buttocks to the back of the knees, where they divide into other nerves: the sciatic nerve and its branches innervate large areas of the pelvis, leg, and foot.
Origin:
1735–45
1735–45
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Sciatic nerve
is always a great word to know.
So is forearm. Does it mean:
| a series of paired nerves that originate in the spinal cord and emerge, branching out to the region of the neck, trunk, or limbs |
| the part of the arm between the elbow and the wrist |
American Heritage
Medical Dictionary
sciatic nerve n.
A nerve that arises from the sacral plexus and passes through the greater sciatic foramen to about the middle of the thigh where it divides into the common peroneal and tibial nerves.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
sciatic nerve  (sī-āt'ĭk) Pronunciation Key
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. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia
sciatic nerve
largest and thickest nerve of the human body that is the principal continuation of all the roots of the sacral plexus. It emerges from the spinal cord in the lumbar portion of the spine and runs down through the buttocks and the back of the thigh; above the back of the knee it divides into the tibial and the common peroneal nerve, both of which serve the lower leg and foot
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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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