外踝 - Malleolus lateralis

影像

描述

The lateral malleolus forms the lower extremity of the fibula.

It is of a pyramidal form, and somewhat flattened from side to side; it descends to a lower level than the medial malleolus. The lateral surface is convex, subcutaneous, and continuous with the triangular, subcutaneous surface on the lateral side of the body. The medial surface presents in front a smooth triangular surface, convex from above downward, which articulates with a corresponding surface on the lateral side of the talus. Behind and beneath the articular surface is a rough depression, which gives attachment to the posterior talofibular ligament. The anterior border is thick and rough, and marked below by a depression for the attachment of the anterior talofibular ligament. The posterior border is broad and presents the shallowmalleolar sulcus, for the passage of the tendons of the Peronæi longus and brevis. The summit is rounded, and give attachment to the calcaneofibular ligament


结构高低级

大体解剖 > 骨, 骨骼系统 > 附肢骨骼 > 下肢骨, 自由下肢骨 > Pars libera membri inferioris > 腓骨 > 外踝

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