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Medial malleolus

Other Terms: Malleolus medialis, Malléole médiale

Description

The lay person typically calls this an ankle bone. It is easily palpable as the projection at the distal end of the tibia that forms the medial wall of the mortise-like ankle joint. It serves as a pulley-like projection around which the tibialis posterior, and flexor digitorum longus muscles pass on their course to the plantar surface of the foot. Many strong ligaments attach this landmark to the ankle bones.

Etymology

Malleolus is the Latin diminutive of malleus meaning little hammer. This term was first used in the 16th century by Andreas Vesalius to any projection of bone having a hammerhead-like shape. It has been retained as the descriptive terms for the bony protuberances at either side of the ankle.

Latin

Malleolus medialis

French

Malléole médiale

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