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Preferred Label : talus;

Uberon definition : A proximal tarsal bone resulting from fusion of intermedium and fibulare.;

Uberon related term : os trigonum; major ankle bone; astragaloid bone; os tarsi tibiale; astragalus bone; astragalus;

Uberon Taxon note : 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;

Détails


Position du mot-clé dans l'(les) arborescence(s) : arborescence

Vous pouvez consulter :

A proximal tarsal bone resulting from fusion of intermedium and fibulare.

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27/07/2025


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