MedicalTerminology DB

Meaning of bone-seeking radioisotope: A radioactive substance that is given through a vein, and collects in bone cells and in tumor cells that have spread to the bone.

Definition of bone-seeking radioisotope

A radioactive substance that is given through a vein, and collects in bone cells and in tumor cells that have spread to the bone. It kills cancer cells by giving off low-level radiation.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.