Symphalangy ... Synonym: syndactyly. ... 2. Ankylosis of the finger or toe joints. ... Origin: sym-+ phalanx ... (05 Mar 2000) ... 
(sim-fal´әn-jiz-әm) congenital ankylosis of the proximal joints of the fingers and toes.
Type: Term Pronunciation: sim-fal′an-jizm, sim-fal′an-jē Definitions: 1. Ankylosis of the finger or toe joints. Synonyms: syndactyly
symphalangism, symphalangy A condition in which the middle phalanx of a finger or toe is properly developed in length but its proximal (or distal) joint is imperfect or absent.