Final answer:
The lateral malleolus is part of the fibula, which is the slender bone located on the lateral side of the leg and forms the bony bump on the side of the ankle.
Step-by-step explanation:
The lateral malleolus is part of the fibula. The fibula is the slender bone located on the lateral side of the leg, forming the easily palpated bony bump on the lateral side of the ankle. It articulates with the talus bone of the foot as part of the ankle joint.