Radionecrosis of normal tissue: studies on mouse tails.
Hendry, Jolyon H
Hendry, Jolyon H
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Abstract
Studies on the radionecrosis of mouse tails demonstrate the following modifications to the dose necessary for necrosis in 50 per cent of tails (the ND50): (a) There is very little reduction in ND50 values for irradiated lengths of tail from 2 cm to almost the whole tail, but there is a sharp increase in dose for lengths less than 1.5 cm. (b) The ND50 is high for unanesthetized mice irradiated in air, due to tissue hypoxia. (c) The hypoxia can be reduced by varying amounts by applying heat to the tail, or by flowing oxygen over the tail surface, or by anesthetizing the animal. (d) The ingress of oxygen through the surface can be reduced by placing a clamp round the proximal tail. These features are discussed with reference to the state and possible position of the target cells, and to the use of this assay technique in comparative studies.
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1978-01
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Radionecrosis of normal tissue: studies on mouse tails. 1978, 33 (1):47-55 Int. J. Radiat. Biol. Relat. Stud. Phys. Chem. Med.