Last Updated
：2025/11/30
simian crease
Noun
Japanese Meaning
手のひらにおいて、左右の主要なしわが融合してできる1本の横一直線のしわ。特にダウン症候群の人に見られる特徴的な解剖学的現象。
（ plural ）
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(anatomy, pathology) A crease that extends across the palm of the human hand, formed by the fusion of the two palmar creases, found especially in people with Down syndrome.
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simian crease
The pediatrician noted a simian crease on the infant's palm during the physical exam and discussed its association with genetic conditions.
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The pediatrician noted a simian crease on the infant's palm during the physical exam and discussed its association with genetic conditions.
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