The astragalar facet is tall and triangular with a rounded proximal margin.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

A fibular groove runs from the distal end of the fibular flange to the distal expansion where it meets the astragalar facet.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Other astragalar facets include a narrow convex articular surface for the cuboid adjacent to the deeply notched surface for the navicular, a small curved surface laterally for articulation with the ectal facet of the calcaneum, a proximodistally elongated convex facet ventrally for long excursion on the calcaneal sustentacular surface, and a small facet adjacent to the cuboid facet for articulation with the calcaneum.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

N. - ankle-bone; rounded beading or moulding on column; pl., dice. astragalar, adj. astragalomancy, n. divination by ankle-bones or dice. astragalus n.    From Wordnik.com.  [xml's Blinklist.com] Reference

Abbreviations: cn, cnemial crest; clp, cranio-lateral process; cast, cranial astragalar facet; dast, astragalar facet (distal); ff, fibular flange; it, incisura tibialis; lc, lateral condyle; lm, lateral malleolus; mc, medial condyle; mm, medial malleolus; pvr, postero-ventral ridge; doi: 10.1371/journal. pone.0006190.g031.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference