Using, pertaining to or involving the function of both ears. Originating from two separate eggs. Membranous sac that holds secretions, such as the urinary bladder that collects urine before its elimination. 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.