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Slide 6
The different nomenclatures for NRBCs are tabulated in Table 1. The Bessis E1 corresponds to a pronormoblast or promegaloblast used in many textbooks, to a megaloblast in Sabin and Doan's classification, and to a rubriblast in that of the Committee for Clarification of the Nomenclature, 1949. In the same order of nomenclatures as before, Bessis' E2 is equivalent to a basophilic normoblast or megaloblast, early erythroblast, and prorubricyte. E3 is not included in any of the other nomenclatures. It would be called a basophilic or polychromatic normoblast or megaloblast, a late-early or early-late erythroblast, or a prorubricyte or rubricyte. E4 is synonymous with polychromatic normoblast or megaloblast, late erythroblast, and rubricyte. E5 is the same as an orthochromatic normoblast or megaloblast, normoblast, and metarubricyte.
Press here to view the associated table-->Database 'Hematology Archive', View 'Everything', Document 'Table 1'

HEMATOLOGY
Course Section: 05. Nucleated Red Blood Cells
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