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chaddock sign in Medicine

Chaddock sign

(chădək)
n.
  1. Extension of the big toe in response to irritation of the skin covering the malleolus of the ankle joint, observed in organic disease of the corticospinal reflex paths.Chaddock reflex
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.