The Effect of Oxygen on the Radiosensitivity of Growing Bone in the Tail of the Mouse

Abstract

The tails of mice were irradiated while the animals were breathing oxygen at partial pressures ranging from one-tenth to three atmospheres. The tails of another group were irradiated with the blood occluded to render them anoxic. Radiosensitivity of tail growth increased about threefold as the oxygen pressure of the respired gas was increased.