Journal of Radiation Research
Online ISSN : 1349-9157
Print ISSN : 0449-3060
Comparison of the Radiosensitivity of Dry Dormant Eggs, Gemmules, and Statoblasts of Three Invertebrate Forms
ATSUKO SHIMADANOBUO EGAMI
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1985 Volume 26 Issue 1 Pages 123-130

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Abstract

Radio sensitivities of the special structures (reproductive organs) of various invertebrate animals were examined. The doses of 50% hatch were about 5 kR for staboblasts of the bryozoa, Pectinatella magnifica; 70 kR for gemmules of the freshwater sponge, Eunapius fragilis; 130 kR for gemmuls of the freshwater sponge, Ephydatia fluviatilis; 180 kR for dry eggs of the rotifer, Brachionus plicatilis, and 350 kR for dry eggs of Artemia saliva. The results showed that Artemia eggs were the most radioresistant reproductive organ among the materials examined.

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