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.
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Polydactylism in horse limb. By permission from Knottenbelt DC, Pascoe RR, Diseases and Disorders of the Horse, Saunders, 2003
References in periodicals archive ?
Although supernumerary digits appeared normally developed and functional, others have observed skeletal, arterial, or muscular abnormalities in polydactylism cases for humans (Nelson, 1963; Hootnick et al.
In humans, polydactylism is hereditary; however, it is not expressed in all offspring (i.
A case of polydactylism in Sika deer in New Zealand.