Medical Dictionary
malleolus
noun mal·le·o·lus \mə-ˈlē-ə-ləs\
plural mal·le·o·li \-ˌlī\
Medical Definition of MALLEOLUS
: an expanded projection or process at the distal extremity of each bone of the leg: a : the expanded lower extremity of the fibula situated on the lateral side of the leg at the ankle—called also external malleolus, lateral malleolus b : a strong pyramid-shaped process of the tibia that projects distally on the medial side of its lower extremity at the ankle—called also internal malleolus, medial malleolus
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