Abstract
SUCKLING rats or puppies, separated from their mother during the first two weeks of life, cannot urinate spontaneously even though the bladder may be filled with urine1. Although these findings have indicated the dominant role of the mother in the regulation of excretion of urine in such immature mammals, no attention has been paid to the possibility that mothers may also ingest the urine of their young. To examine this problem the transfer of iodine-131 from young rats through the lactating mothers into the body of the intact young was investigated.
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Čapek, K., and Jelinek, J., Physiol. Bohemoslov., 5, 76 (1956).
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SAMEL, M., ČAPUTA, A. & STRUHÁROVÁ, L. Extra-uterine Re-circulation of Iodine-131 from the Young to Mother in Rats. Nature 198, 489 (1963). https://doi.org/10.1038/198489a0
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DOI: https://doi.org/10.1038/198489a0
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