A proximal tarsal bone resulting from fusion of intermedium and fibulare. [ http://en.wikipedia.org/wiki/Talus_bone http://orcid.org/0000-0002-6601-2165 ]

This is just here as a test because I lose it

Term information

Subsets

uberon_slim, pheno_slim

depicted by

Subtalar:Joint.PNG

has related synonym

astragalus

astragaloid bone

os tarsi tibiale

astragalus bone

major ankle bone

os trigonum

id

UBERON:0002395

taxon notes

The talus is apparently derived from the fusion of three separate bones in the feet of primitive amphibians; the tibiale, articulating with tibia, the intermedium, between the bases of the tibia and fibula, and the fourth centrale, lying in the mid-part of the tarsus. These bones are still partially separate in modern amphibians, which therefore do not have a true talus. The talus forms a considerably more flexible joint in mammals than it does in reptiles. This reaches its greatest extent in artiodactyls, where the distal surface of the bone has a smooth keel to allow greater freedom of movement of the foot, and thus increase running speed