Wiktionary
dysmelia
n. Any congenital disorder of the limbs, such as amelia or syndactyly.
Wikipedia
Dysmelia
Dysmelia (from Gr. δυσ- dys, "bad" + μέλ|ος mél|os, "limb" + Eng. suff. -ia) is a congenital disorder of a limb resulting from a disturbance in embryonic development.