Homo sapiens radiale http://upload.wikimedia.org/wikipedia/commons/5/50/Carpus.png Endochondral proximal carpal bone articulating with the radius. UBERON:0001427 MA:0002555 GAID:180 os scaphoideum radial carpal bone AAO:0000790 galen:Scaphoid MESH:D021361 scaphoid bone scaphoid os carpi radiale EMAPA:37660 os naviculare manus navicular of hand UMLS:C0223724 FMA:23709 the bone of the hand located at the radial side of the carpus and which articulates with the radius, trapezium, trapezoideum, capitate, and lunate bones SCTID:181958008 navicular bone of manus TODO - check AAO placement; in rodents this is fused with the lunate to make the scapholunate In reptiles, birds, and amphibians, this bone is instead commonly referred to as the radiale, because of its articulation with the radius[WP] NCIT:C12854 navicular bone of hand One of two element that constitute the basal row of carpals. It articulates proximally with the radius, mesially with the ulnare (or pars intermedia of the ulnare when the ulnare is fused to the intermedium) and distally with the centrale (also recognized by some authors as element Y). This element originates from one or two condensation centers. Occasionally it may fuse to carpal 5(4), the ulnare, or other elements.[AAO] Wikipedia:Scaphoid scaphoideum navicular of manus proximal carpal bone Melissa Haendel Christopher J. Mungall