What is the fibula primarily known as in the human body?

The fibula is primarily known as the lateral lower leg bone in the human body. It is a long, thin bone located on the outer side of the lower leg, running parallel to the tibia, which is the larger and more medial bone of the lower leg. The fibula does not bear significant weight, as that is primarily the role of the tibia, but it does provide stability and support to the ankle and contributes to the overall structure of the lower leg.

This classification as the lateral lower leg bone is essential for understanding the anatomy and function of the leg, including its role in movement and weight-bearing activities. Knowing the location and orientation of the fibula helps in assessing injuries and understanding various medical conditions related to the leg. Additionally, it's important to be familiar with the fibula in relation to the tibia, as together they form the lower leg structure, with the fibula on the outside and the tibia on the inside.