Arnold-Chiari deformity


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Related to Arnold-Chiari deformity: Chiari malformation
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Noun1.Arnold-Chiari deformity - deformity in which part of the brain protrudes through the skullArnold-Chiari deformity - deformity in which part of the brain protrudes through the skull
deformity, malformation, misshapenness - an affliction in which some part of the body is misshapen or malformed