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sciatica

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sci⋅at⋅i⋅ca

[sahy-at-i-kuh]
–noun Pathology.
1. pain and tenderness at some points of the sciatic nerve, usually caused by a prolapsed intervertebral disk; sciatic neuralgia.
2. any painful disorder extending from the hip down the back of the thigh and surrounding area.

Origin:
1400–50; < ML, n. use of fem. of sciaticus sciatic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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sci·at·i·ca   (sī-āt'ĭ-kə)   
n.  Pain along the sciatic nerve usually caused by a herniated disk of the lumbar region of the spine and radiating to the buttocks and to the back of the thigh.

[Middle English, from Medieval Latin, from feminine of sciaticus, of the hip; see sciatic.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

sciatica [(seye-at-i-kuh)]

Chronic pain in the hip and upper leg caused by irritation of a large nerve — the sciatic nerve — that runs through the pelvis and down the back of the thigh.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

sciatica 
1398, from M.L. sciatica, in sciatica passio "sciatic disease," from fem. of sciaticus "sciatic," from L. ischiadicus "of pain in the hip," from Gk. iskhiadikos, from iskhias (gen. iskhiados) "pain in the hips," from iskhion "hip joint." Sciatic (adj.) is attested from 1547.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: sci·at·i·ca
Pronunciation: sI-'at-i-k&
Function: noun
: pain along the course of a sciatic nerve especially in the backof the thigh caused by compression, inflammation, or reflex mechanisms; broadly : pain in the lower back, buttocks, hips, or adjacent parts
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

sciatica sci·at·i·ca (sī-āt'ĭ-kə)
n.
Pain along the sciatic nerve that radiates from the lower back to the buttocks and back of the thigh and is usually caused by a herniated disk of the lumbar region of the spine.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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