Synostosis of joints Synostosis of carpals/tarsals 2010-07-20T03:02:14Z HP:0005675 Coalescence of carpal and tarsal bones Fusion of carpal and tarsal bones HP:0100266 Wrist bone/ankle bone fusions Carpal and tarsal fusions The carpus consists of the scaphoid, lunate, triquetal, pisiform, captitate, hamate, trapezoid, and trapezium bones. The tarsus consists of the talus, calcaneus, cuboid, cuneiform, and navicular bones. This term applies if there is any fusion among the bones of the carpus or tarsus. HP:0005666 HP:0005823 UMLS:C4021025