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Medical Definition of Tibiofibular syndesmosis
1. The fibrous union of the tibia and fibula consisting of the interosseous membrane and the anterior, interosseous and posterior tibiofibular ligaments at the distal extremities of the bones. Synonym: syndesmosis tibiofibularis, distal tibiofibular joint, inferior tibiofibular joint, tibiofibular articulation. (05 Mar 2000)