carbon. 1  Chemistry. a widely distributed element that forms organic compounds in combination with hydrogen, oxygen, etc., and that occurs in a pure state as diamond and graphite, and in an impure state as charcoal.
The tibia and fibula are the two long bones in the lower leg. They are closely linked at the knee and ankle, but they are two separate bones. â¢ The tibia is the bone that forms the shin and is the larger of the two. lower-leg bones. â¢ The top of the tibia connects to the knee joint and the bottom of the tibia. connects to the ankle joint.
Home > Skeletal System > Bones of the Leg and Foot > Fibula. The fibula is the long, thin and lateral bone of the lower leg. It runs parallel to the tibia, or shin bone, and plays a significant role in stabilizing the ankle and supporting the muscles of the lower leg. Compared to the tibia, the fibula is about the same length, but is considerably thinner.