|Cerebellar Histogenesis in Rats Exposed to 2450 MHz Microwave Radiation.
Albert, E. N. ;
|Cheung Labs., Inc., Lanham-Seabrook, MD.;Health Effects Research Lab., Research Triangle Park, NC.
Fetal development ;
Laboratory animals ;
Microwave radiobiology ;
Biological radiation effects ;
Brain growth and development ;
Sex factors ;
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Pregnant rats were either exposed or sham exposed from day 13 of gestation until birth to 2450 MHz linearly polarized microwaves at 10 mW/sq cm. A third matching group served as cage control. After birth, the pups were kept with their mothers for 21 days without any treatment, and at age 21 their brains were prepared for histological analysis. There was a statistically significant difference in the cerebellar area among the three exposure groups. The differences was seen only in the females and not in the males. Purkinje cell density was not significantly different (P>0.05) among the three exposure groups. However, Purkinje cell density in the females was highest in the microwave exposed rats and lowest in the cage controls. The differences in the cerebellar area among the three groups may not be attributed to microwave exposure but to some unidentifiable factor which differentiated the cage controls from both exposure groups.