| Chaddock reflex | <clinical sign> When the external malleolar skin area is irritated, extension of the great toe occurs in cases of organic disease of the corticospinal reflex paths. Synonym: Chaddock reflex, external malleolar sign. (05 Mar 2000) |
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| Chaddock sign | <clinical sign> When the external malleolar skin area is irritated, extension of the great toe occurs in cases of organic disease of the corticospinal reflex paths. Synonym: Chaddock reflex, external malleolar sign. (05 Mar 2000) |
| Chaddock, Charles | <person> U.S. Neurologist, 1861-1936. See: Chaddock reflex, Chaddock sign. (05 Mar 2000) |