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.
Fractures of the tibia generally are associated with fibula fracture, because the force is transmitted along the interosseous membrane to the fibula. The skin and subcutaneous tissue are very thin over the anterior and medial tibia and as a result of this, a significant number of fractures to the lower leg are open.