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Definition of Kernig's sign
1. Noun. Symptom of meningitis; patient cannot extend the leg at the knee when the thigh is flexed because of stiffness in the hamstrings. 
Generic synonyms: Symptom
Medical Definition of Kernig's sign
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1. Noun. Symptom of meningitis; patient cannot extend the leg at the knee when the thigh is flexed because of stiffness in the hamstrings. 
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