Jan 1, 2010
Polydactyly and syndactyly are congenital malformations of the fingers and/or toes. Polydactyly is the presence of extra fingers or toes, and syndactyly is the fusing together or webbing of two or more fingers or toes.
Polydactyly and syndactyly can vary in the degree of severity. Polydactyly may range from small skin tags on the side of the hands to fully formed extra fingers with bone, blood vessels, and muscle tissue. Polydactyly is classified as postaxial if the extra digit is located beside the little finger or preaxial if the extra digit is located near the thumb. Syndactyly may be either a complete fusion of fingers or toes or a looser webbing of skin between them. Syndactyly and polydactyly may occur simultaneously when extra digits are fused in a condition...
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