malformation

malformation /mal·for·ma·tion/ (-for-ma´shun)

1. a type of anomaly.

2. a morphologic defect of an organ or larger region of the body, resulting from an intrinsically abnormal developmental process.

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mal·for·ma·tion (mlfôr-mshn)

n.

Abnormal or anomalous formation or structure; deformity.

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malformation

defective or abnormal formation; deformity; an anatomical aberration, especially one acquired during development.

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malformation Neonatology An isolated birth defect caused by abnormal growth of an organ, which, if surgical correction is possible, usually has a good prognosis. See Arnold-Chiari malformation, Arteriovenous malformation, Birth defect, Cerebral cavernous malformation, Cleft palate, Cystic adenomatoid malformation, Dandy-Walker malformation, Dysmorphology, Spina bifida, Teratogenesis.