Assertion: foot's bone | /r/CapableOf | fuse with metatarsal
Facets:
value: to form a single tarsometatarsus bone
type: PURPOSE
Source sentences:
text: In birds, the tarsus has disappeared, with the proximal tarsals having fused with the tibia, the centralia having disappeared, and the distal bones having fused with the metatarsals to form a single tarsometatarsus bone, effectively giving the leg a third segment.