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[[File:Polydactyly 01 Lhand AP.jpg|thumb|Left hand with sixth finger]]

[[File:Polydactyly 01 Lhand AP.jpg|thumb|Left hand with sixth finger]]

'''Polydactyly''' is a [[birth defect]] which may affects the hands, feet, or both. It causes one or more extra [[finger]]s or [[toe]]s. It can affect people, and other [[mammals]] such as [[dog]]s, and [[cat]]s.<ref>Kaneshiro N. 2009. ''Polydactyly''. http://www.umm.edu/ency/article/003176.htm</ref>

'''Polydactyly''' is a [[birth defect]] which may affects the hands, feet, or both. It causes one or more extra [[finger]]s or [[toe]]s. It can affect people, and other [[mammals]] such as [[dog]]s, and [[cat]]s.

==References==

==References==

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[[Category:Limbs and extremities]]

[[Category:Limbs and extremities]]

[[Category:Developmental disorders]]

[[Category:Developmental disorders]]