malleolus

noun
mal·​le·​o·​lus | \ mə-ˈlē-ə-ləs How to pronounce malleolus (audio) \
plural malleoli\ -​ˌlī How to pronounce malleolus (audio) \

Medical Definition of malleolus

: an expanded projection or process at the distal end of the fibula or tibia at the level of the ankle:
a : the expanded lower end 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 end at the ankle

called also internal malleolus, medial malleolus

c : a small projection of the tibia on the posterior side of its lower end at the ankle

called also posterior malleolus

Learn More About malleolus

Dictionary Entries Near malleolus

malleolar

malleolus

mallet finger

See More Nearby Entries 

Cite this Entry

“Malleolus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/malleolus. Accessed 19 Aug. 2022.

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