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  • Title: [Classification of erythroblastic islets of the bone marrow and the study of their cellular composition].
    Author: Zakharov IuM, Mel'nikov IIu, Rassokhin AG.
    Journal: Arkh Anat Gistol Embriol; 1990 May; 98(5):38-42. PubMed ID: 2222205.
    Abstract:
    Cell composition of erythroblastic islands (EI), normal and at the phase of stimulation and inhibition of erythropoiesis at modelling of heat adaptation has been studied on hemopoietic tissue of 108 rats. In the hemopoietic tissue, together with EI of the 1st, 2nd and 3d classes of maturity, that have in their composition correspondingly up to 8, from 9 up to 16 and above 16 nuclei-containing erythroid cells, there are involutive and reconstructing EI. The involutive EI are presented as nuclei-containing erythroid cells, that are not able to divide and are at late stages of differentiation: polychromatophilic and oxyphilic normoblasts, as well as reticulocytes. The reconstructing EI have in their composition both erythroid cells, that are not able to divide, and erythroid cells (pro-, erythroblasts and basophilic normoblasts), that are at early stages of differentiation. Application of the EI classification suggested, takes into account the rate, with which the erythroid cell-predecessors are drawn into erythropoiesis and intensity of erythroid differentiation. Therefore, it is possible to obtain earlier and more exact data on the state of hemopoiesis in comparison with traditional hematological methods.
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