NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,790 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

calcium-46 (46Ca) chloride aqueous solution
(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.