A Preliminary Note on some Biological Effects of Alpha Radiation on the Frog Tadpole

Abstract
Mitotic and degenerate cell counts were made on the eye and brain of frog tadpoles exposed to three different doses of α rays and the results compared with those already known for a small dose of γ rays. Whereas with the lowest α-ray dose the relation between mitosis and degeneration does not differ from that which would be expected to follow a relatively small dose of radiation, after the two larger α-ray doses degeneration far exceeds this amount. It would seem that α rays cause the degeneration of potential dividing cells in considerable numbers.

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