Inflammation of eyelid. Large amount at once. Bone is the substance that forms the skeleton of the body. It is composed chiefly of calcium phosphate and calcium carbonate. It also serves as a storage area for calcium, playing a large role in calcium balance in the blood.
Bone density is the amount of bone tissue in a certain volume of bone.
It can be measured using a special x-ray called a quantitative computed tomogram. The soft material found in the hollow centre of long bones. A technique to create images on bones on a computer screen or on film. A small amount of radioactive material is injected and travels through the bloodstream. It collects in the bones, especially in abnormal areas of the bones, and is detected by a scanner.