Clubbed thumbs or “toe thumbs,” officially named brachydactyly type D, are caused by a genetic mutation and they feature end bones that are shorter than usual and much wider-than-normal nails.
Anonymous 10.This person who has Brachydactyly Type D, aka "clubbed thumb," which is a genetic condition that, in this case, affects the end bone under the thumbnail, causing a "short digit." ...
Figure 1: Phenotype of RRS. Figure 3: Sequence motifs and mutations in ROR2. We obtained ethical committee approval for the study. Fourteen cases were from seven families from Oman 2, three were ...