Summary
Data are presented on iron content and distribution in several fresh and salt water fish species and are compared with those in man and rat. Iron metabolism was studied in the tench by means of intracardiac administration of tench plasma labelled with59Fe(III). The disappearance of plasma iron and the role which the different organs and tissues play in the clearance of plasma iron were studied. A method is presented for calculating internal iron kinetics. Iron transport from the plasma to the erythropoietic system equals the iron transport to the non-erythropoietic organs. To explain this high non-erythropoietic iron transport it is postulated that most of the iron transported to the non-erythropoietic organs will be excreted. The liver-bile system forms an important excretory route. In case of a sudden (erythropoietic) demand for iron the direction of the plasma iron transport may be switched from the liver to the erythropoietic organs.
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van Dijk, J.P., Lagerwerf, A.J., van Eijk, H.G. et al. Iron metabolism in the tench (Tinca tinca L.). J Comp Physiol B 99, 321–330 (1975). https://doi.org/10.1007/BF00710372
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DOI: https://doi.org/10.1007/BF00710372