polydactylism


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Related to polydactylism: polydactyly, argyria, Supernumerary digit

polydactyly

 [pol″e-dak´tĭ-le]
the presence of more than the usual number of fingers or toes; called also hyperdactyly and polydactylism.

pol·y·dac·ty·ly

(pol'ē-dak'ti-lē), [MIM*603596]
Presence of more than five digits on hand or foot.
Synonym(s): polydactylism
[poly- + G. daktylos, finger]

polydactylism

/poly·dac·tyl·ism/ (-dak´til-izm) polydactyly.

polydactyly

; polydactylism; supernumerary digits >5 digits on hands/feet, with/without additional metacarpals/metatarsals; supernumerary toes are often amputated to improve foot function and shoe fit

polydactylism, polydactyly

the presence of supernumerary digits; occurs as an inherited defect in cattle, cats and some breeds of dogs; occurs not uncommonly also in horses.
Enlarge picture
Polydactylism in horse limb. By permission from Knottenbelt DC, Pascoe RR, Diseases and Disorders of the Horse, Saunders, 2003
References in periodicals archive ?
A case of polydactylism in Sika deer in New Zealand.
Dominance in man, with especial reference to polydactylism.
Perfect" polydactylism in hind feet of a gray squirrel.
Meanwhile, the order of birth defects in Xi'an City was consistent with the Chinese national data, namely CHD, polydactylism, cleft lip, NTDs, and hydrocephalus.