Synonym for hyperphalangism ... Presence of a supernumerary phalanx in a finger or toe. ... Synonym: polyphalangism. ... (05 Mar 2000) ... 
(pol″e-fә-lan´jiz-әm) polyphalangia.
Type: Term Pronunciation: pol′ē-fă-lan′jizm Synonyms: hyperphalangism
polyphalangia, polyphalangism 3. Side-by-side duplication of one or more of the phalanges of a digit. 2. The condition of having more digital phalanges than normal; especially, in cases where polydactyly is absent. 3. Presence of a more phalanges in a finger or a toe than is normal.