<prompt> Symphalangism is:Reduplication of fingersFusion of the interphalangeal jointsShortening of the fingers as a result of decreased length of the phalangesJoined fingers  <response>: Ans. B. Fusion of the interphalangeal jointsFusion of interphalangeal joints usually the middle with the proximal phalanx, it usually accompanies syndactylism.Treatment is by fusing in the functional position of partial flexion 