connected to connected to derived from ancestral fusion of derived from ancestral fusion of tibia talus UBERON:0002395 major ankle bone MESH:D013628 EMAPA:19135 NCIT:C52799 os tarsi tibiale MA:0001351 FMA:9708 GAID:196 astragalus bone SCTID:182098005 A proximal tarsal bone resulting from fusion of intermedium and fibulare. astragalus os trigonum astragaloid bone Wikipedia:Talus_bone BTO:0002354 galen:Talus hindlimb intermedium bone proximal tarsal bone fibulare