Malleolar fossa
Fossa malleoli lateralis
Definition
The malleolar fossa is a depressed area situated on the posterior aspect of the inner surface of the fibula’s lateral malleolus. It provides attachment for the posterior talofibular ligament below and an inferior transverse tibiofibular ligament above.
On the anterior part of the same inner surface, there is a flat triangular region that articulates with the corresponding surface of the talus, contributing to the formation of the ankle joint.
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Text written by Muhammad A. Javaid, MD, PhD © 2023 IMAIOS.
Standring, S. and Gray, H. (2016). ‘Chapter 80: Pelvic girdle, gluteal region and thigh’ in Gray’s anatomy The anatomical Basis of Clinical Practice. (41st ed.) New York: Elsevier, pp. 1405-1406.
