definitions - understudies. understudy (n.) 1.someone who takes the place of another (as when things get dangerous or difficult)the star had a stand-in for dangerous scenes we need extra employees for summer fill-ins. 2.an actor able to replace a regular performer when required. understudy (v.)
Radiation can come in the form of a pill. Iodine (131 I) used in thyroid treatment might be given in pill form or as a liquid. The choice is an institutional decision based on many factors, including the amount to be given to a patient.
1 Extensive cancer radiation treatment of your face or neck. 2  Radiation can result in destruction of your parathyroid glands, as can radioactive iodine treatment for hyperthyroidism, occasionally. 3  Low levels of magnesium in your blood, which can affect the function of your parathyroid glands.