Also found in: Dictionary, Medical, Wikipedia.
Related to Malleolus: malleoli


A projection on the distal end of the tibia and fibula at the ankle.



the peripheral process at which terminate the inner surface of the distal (that is, from the trunk) epiphysis of the tibia (the inner malleolus) and the lower, thickened end of the fibula (the outer malleolus). Both malleoli have flat articular surfaces and hold the articular surface (trochlea) of the talus in a fork.

References in periodicals archive ?
An incision is made posteriorly of the lateral malleolus and, after identification and protection of the sural nerve, capsulotomy is performed to find the os trigonum or hypertrophic posterior process, which is subsequently removed.
The tibial nerve was exposed at the level of bifurcation of the sciatic nerve and at its terminal division deep to the flexor retinaculum, between the medial malleolus and medial process of calcaneal tuberosity.
This type of motion also carries the lateral malleolus posteriorly, through reciprocal action the fibula head glides anteriorly and superiorly.
A 31-YEAR-OLD INCARCERATED MAN sought care for one crusted ulcer and one adjacent open ulcer with granulation tissue on his left malleolus.
12] performed 16 procedures in 11 patients that included chronic synovitis (n = 2), screw removal from the medial malleolus (n = 1), and posterior ankle anatomy (n = 2).
Blood vessels in this area are identified with the help of the sonanatomy, including the posterior tibial artery which runs posterior to the medial malleolus, and two accompanying veins.
5 cm), lower extremity length was measured from the anterior superior iliac spine to the most prominent part of medial malleolus (7, 19).
He also complained of a warty slow growing lesion over the right lateral malleolus for 1year, preceded by a penetrating injury.
These vessels typically are located in the posterior crural septum, starting at a point 5 cm above the tip of the lateral malleolus and extending proximally for a distance of approximately 13 cm above the lateral malleolus12-14.
Lower limb length was measured with scaled tape from the anterior superior iliac spine to the lateral malleolus.
age Time to Defect (years)/gender surgery (days) Location size (cm) 1, 25/M 9 Lateral malleolus 4 x 5 2, 32/F 3 Lower tibia 6 x 5 3, 26/M 7 Lateral malleolus 3 x 4 4, 19/M 34 Medial malleolus 5 x 3 5, 36/M 22 Middle tibia 8 x 5 6, 23/M 5 Lateral malleolus 5 x 3 7, 41/M 11 Lower tibia 4 x 3 Case no.