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A deformity, dysmorphism, or dysmorphic feature is a major abnormality in the shape of a body part or organ compared to the normal shape of that part. ==Causes== Deformity may arise from numerous causes: *Genetic mutation *Damage to the fetus or uterus *Complications at birth *A growth or hormone disorder *Reconstructive surgery following a severe injury, e.g. burn injury *Arthritis and other rheumatoid disorders *Fractured bones left to heal without being properly set (malunion) *Chronic application of external forces, e.g. artificial cranial deformation *Chronic paresis, paralysis or muscle imbalance, especially in children, e.g. due to poliomyelitis or cerebral palsy Deformity can occur in non-humans, as well. Frogs can be mutated due to Ribeiroia (Trematoda) infection. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「deformity」の詳細全文を読む スポンサード リンク
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