Osteoblast, plasma cells, normal marrow

Left frame: 1 Osteoblast with elongated shape, low nuclear/cytoplasm ratio, eccentrically located nucleus which extends beyond the cytoplasm border, a blue-gray cytoplasm with a distinct colorless area away from the nucleus, and an irregular cytoplasmic outline with some spiculation. The nuclear chromatin is more dense than usual.
Right frame: Two Plasma Cells with oval shape, eccentrically located nuclei, basophilic blue cytoplasm with a pale staining area (Golgi) adjacent to the nucleus and a semi-dense nuclear chromatin. Compare with the osteoblast in the left frame. Two mature and one myelocyte stage neutrophils are in the field.
Normal marrow - 100X


Image ID: 0148-044

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