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.
The tibia is connected to the fibula by the interosseous membrane of the leg, forming a type of fibrous joint called a syndesmosis with very little movement. The tibia is named for the flute tibia. It is the second largest bone in the human body next to the femur.