Osteoradionecrosis is a possible complication following radiotherapy. Irradiation of bones causes damage to osteocytes and impairs the blood supply. The affected hard tissues become hypovascular (reduced number of blood vessels), hypocellular (reduced number of cells) and hypoxic (low levels of oxygen). Osteoradionecrosis is the term for when the ...
Necrosis of bone following radiation injury. ... (12 Dec 1998) ... 
(os″te-o-ra″de-o-nә-kro´sis) necrosis of bone as a result of excessive exposure to radiation.
Type: Term Pronunciation: os′tē-ō-rā′dē-ō-ne-krō′sis Definitions: 1. Necrosis of bone produced by ionizing radiation; may be planned or unplanned.
osteoradionecrosis Necrosis of bone produced by ionizing radiation which may be planned or unplanned.
bone tissue death induced by radiation.