strontium
[stron´she-um] a chemical element, atomic number 38, atomic weight 87.62, symbol Sr. (See Appendix 6.)
strontium 89 a radioactive isotope of strontium having a half-life of 50.55 days and decaying by beta emission. It is used in the form of the chloride as a radiation source in the palliative treatment of bone pain in patients with metastatic bone lesions.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.