Polydactyly

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Left hand with sixth finger

Polydactyly is an anomaly that affects the hands, feet, or both, causing one or more extra fingers or toes. It can affect people, dogs, and cats.[1]

References [change]

  1. Kaneshiro, N. (2009, November 2). Polydactyly. Retrieved December 4, 2010, http://www.umm.edu/ency/article/003176.htm