| polydactylism | <anatomy> The possession of more that the normal number of digits. Origin: Poly- + Gr. Finger: cf. F. Polydactylisme. Source: Websters Dictionary (01 Mar 1998) |
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| polydactylous | Relating to polydactyly. (05 Mar 2000) |
| polydactyly | <radiology> Ellis-van Creveld, Laurence-Moon-Biedle, trisomy 13-15, simple polydactyly, Carpenter syndrome, Meckel-Gruber syndrome (12 Dec 1998) |