The large cell indicated by the arrow is an E3 cell. The nuclear chromatin is heavier and more aggregated than in the earlier cells. This cell is also slightly smaller. The real differences between this cell and the previous ones are the color of the cytoplasm, which is muddy or dirty blue, and an increase in the clumping of the nuclear chromatin. The other three cells in this slide are E5 cells.
Course Section: 05. Nucleated Red Blood Cells
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