Preaxial polydactyly (i.e., polydactyly on the radial/tibial side of the hand/foot) covers a heterogeneous group of entities. In preaxial polydactyly type IV, the thumb shows only the mildest degree of duplication, and syndactyly of various degrees affects fingers 3 and 4.

Name Development Level Target Family
Name Description
TCRDv4.6.9
UniProt Disease