Syndactyly is a failure of differentiation in which the fingers fail to separate into individual appendages. Syndactyly is the most common congenital malformation of the limbs, with an incidence of 1 in 2000-3000 live births.

Syndactyly is a failure of differentiation in which the fingers fail to separate into individual appendages. Syndactyly is the most common congenital malformation of the limbs, with an incidence of 1 in 2000-3000 live births.