Fig. 3.
Fig. 3. Ultrastructure studies on BM biopsy. / (A) Electron micrograph of MDS BM biopsy showing apoptosis in the myeloid and erythroid lineages. Note the nuclear chromatin condensation and vacuoles in the cytoplasm (uranyl acetate and lead citrate, original magnification × 2600). (B) Macrophages showing partly degraded apoptotic erythroid cells in the lysosomes in the MDS BM biopsy (original magnification × 6600).

Ultrastructure studies on BM biopsy.

(A) Electron micrograph of MDS BM biopsy showing apoptosis in the myeloid and erythroid lineages. Note the nuclear chromatin condensation and vacuoles in the cytoplasm (uranyl acetate and lead citrate, original magnification × 2600). (B) Macrophages showing partly degraded apoptotic erythroid cells in the lysosomes in the MDS BM biopsy (original magnification × 6600).

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