the science of dealing with the maintenance of health and the prevention and treatment of disease

of or relating to radiology

a medical specialist who uses radioactive substances and X-rays in the treatment of disease

(radiology) examination of the inner structure of opaque objects using X rays or other penetrating radiation

(radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes

(radiology) organ intended to receive the therapeutic dose of a radioactive substance