A radioisotope of calcium, particularly calcium 45.
Farlex Partner Medical Dictionary © Farlex 2012
radioactive calciumAny of the radionuclides of calcium, the most common of which are the beta-emitting 45Ca, which has a half-life of 163 days, and the beta and gamma-emitting 47Ca, which has a half-life of 4.5 days and has some currency as a tracer for calcium metabolism studies.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
A radioisotope of calcium; 45Ca and 47Ca are used in medical studies.
Medical Dictionary, © 2009 Farlex and Partners