The cell indicated by the arrow contains coarse basophilic stippling. What appears to be inclusions in the other red cells are air holes that can be confused with real inclusions except that they are refractile when the focus is changed. Dirt and precipitated stain also may be troublesome. If the body is truly in the red cell it will not go out of focus, but will stay with the focus of the cell. Dirt and precipitated stain are not on the same plane as the cell.
Course Section: 02. Inclusions Found in Red Blood Cells
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