Radiosensitivity of Male Germ-cells in Neonatal Rats

Author: Hughes Gillian  

Publisher: Informa Healthcare

ISSN: 1362-3095

Source: International Journal of Radiation Biology, Vol.4, Iss.5, 1962-02, pp. : 511-519

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Abstract

Neonatal male rats (aged 0â–“4 days) were exposed to 150 and 460 r x-rays and killed at the age of 25 days.A quantitative histological study of the testes showed that there is a decrease in the radiosensitivity of male germ-cells between 1 and 4 days. Peak radiosensitivity does not coincide with microscopically demonstrable signs of nuclear activity in the gonocytes.