Abstract
THE part played by the thyroid gland in teleost metabolism has been investigated by many workers. In cold-blooded vertebrates it appears to be concerned more with growth than with general metabolism1. However, there is a great deal of controversy on practically every aspect of thyroid physiology. In higher vertebrates, the parathyroid plays an important part in the mineral metabolism. Fishes have, so far as known, no parathyroid. It has been suggested2 that the ultimobranchial body in the teleost is the homologue of the parathyroid but as yet nothing positive has been established regarding this hypothesis. Fishes are able to control mineral metabolism within narrow limits; but there is scarcely any information concerning the role of the endocrines in this regulation. Radioisotopes are being used to carry out experiments to find out whether the thyroid gland has any influence on mineral metabolism in fishes.
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SRIVASTAVA, P. Thyroidal Control of Radiophosphorus Metabolism in Salmon. Nature 185, 621 (1960). https://doi.org/10.1038/185621a0
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DOI: https://doi.org/10.1038/185621a0
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