Skip to main content
An official website of the United States government
Español
Government Funding Lapse
Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted.

The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.

Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

calcium Ca 46-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 Ca 46 is a form of calcium that gives off radiation. It is passed from the body in the urine.
Search NCI's Dictionary of Cancer Terms