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NCI Dictionary of Cancer Terms


calcium-46 (46Ca) chloride aqueous solution  listen  (KAL-see-um … KLOR-ide AY-kwee-us suh-LOO-shun)

  A substance used to study the turnover of bone tissue in certain diseases, such as osteoporosis or cancer that has spread to the bone. Calcium-46 (46Ca) is a form of calcium. It is passed from the body in the urine.