Dictionary of Human Evolution and Biology

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Pentadactyly

Condition in which the paw has five digits. In primates this is the case always, although some primates have a reduced digit that is merely a stub. In other orders of mammals there may be fewer than five digits, and a difference between the number of digits on the fore paw and the hind paw (e.g. in rodents).

Cf. polydactyly.

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