X-ray of feet, showing postaxial polydactyly. Polydactylism is the congenital abnormality of having extraneous fingers or toes. As visible above, this individual had six toes on both feet. This is an example of postaxial polydactyly, because the extra digit occurs on the pinky side of the foot.

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Keywords: -ray, -toed, abnormal, abnormality, bw, congenital, digit, extra, feet, foot, history, hyperdactyly, medical, medicine, polydactylism, polydactyly, postaxial, toe, toes