| talus | 1. <anatomy> The astragalus. 2. <surgery> A variety of clubfoot (Talipes calcaneus). See the Note under Talipes. 1. A slope; the inclination of the face of a work. 2. <geology> A sloping heap of fragments of rock lying at the foot of a precipice. Origin: L, the ankle, the ankle bone. (26 Nov 1998) |
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| body of talus | The large posterior part of the talus forming the trochlea above for articulation with the tibia and fibula and articulating below with the calcaneus. Synonym: corpus tali. (05 Mar 2000) |
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| calcaneal articular surface of talus | One of three articular surfaces on the talus for union with the calcaneus: facies articularis calcanea anterior tali, facies articularis calcanea media tali, and facies articularis calcanea posterior tali. Synonym: facies articularis calcanea tali. (05 Mar 2000) |
| medial malleolar surface of talus | The surface of the trochlea of the talus that articulates with the medial malleolus of the tibia. Synonym: facies malleolaris medialis tali. (05 Mar 2000) |
| medial tubercle of posterior process of talus | The eminence medial to the sulcus for the flexor hallucis longus tendon. Synonym: tuberculum mediale processus posterioris tali. (05 Mar 2000) |
| posterior process of talus | A projection of the talus bearing medial and lateral tubercles; it is posterior and inferior to the trochlea. Synonym: processus posterior tali, Stieda's process. (05 Mar 2000) |
| head of talus | The rounded anterior portion of the talus articulating with the navicular bone. Synonym: caput tali. (05 Mar 2000) |
| pulley of talus | The rounded articular surface of the talus articulating with the distal ends of the tibia and fibula. Synonym: trochlea tali, pulley of talus. (05 Mar 2000) |
| navicular articular surface of talus | The large convex surface on the head of the talus for articulation with the navicular bone. Synonym: facies articularis navicularis tali. (05 Mar 2000) |
| neck of talus | A constriction separating the head, or anterior portion, from the body of the talus. Synonym: collum tali. (05 Mar 2000) |
| superior surface of talus | The surface of the trochlea of the talus in contact with the inferior articular surface of the tibia. Synonym: facies superior tali. (05 Mar 2000) |
| interosseous groove of talus | The groove on the inferior surface of the talus, which with a corresponding groove on the calcaneus forms the sinus tarsi. Synonym: sulcus tali, interosseous groove, talar sulcus. (05 Mar 2000) |
| trochlea of the talus | The rounded articular surface of the talus articulating with the distal ends of the tibia and fibula. Synonym: trochlea tali, pulley of talus. (05 Mar 2000) |
| lateral malleolar surface of talus | That surface of the trochlea of the talus that articulates with the lateral malleolus of the fibula. Synonym: facies malleolaris lateralis tali. (05 Mar 2000) |
| lateral process of talus | A projection on the lateral side of the talus below the malleolar articular surface. Synonym: processus lateralis tali. (05 Mar 2000) |
| lateral tubercle of posterior process of talus | The prominence lateral to the groove for the flexor hallucis longus tendon. Synonym: tuberculum laterale processus posterioris tali. (05 Mar 2000) |