Histological effects of low-dose-rate gamma irradiation. III. Electron-microscopic observations in rat spleen.
As an effect of 400 and 1000 rd low (0.59 to 0.73 rd/min) and high (60 to 78 rd/min) dose-rate gamma irradiation an expressive accumulation of autophagous vacuoles can be observed in electron-microscopic sections of rat spleen. The number of autophagous vacuoles seemed higher in the group exposed to lower dose-rate of irradiation. This observation is in agreement with the results of the former experiments which indicated that after low-dose-rate irradiation the damaged cells show an increased tendency to repair.
D000818:Animals; D008854:Microscopy, Electron; D011829:Radiation Dosage; D051381:Rats; D013154:Spleen / Q000528:radiation effects* / Q000648:ultrastructure; D014617:Vacuoles / Q000528:radiation effects / Q000648:ultrastructure