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Longitudinal section of rat femur. 1 – bone tissue, 2 – ring-shaped neutrophiles, 3 – eosinophiles, 4 – periosteal growth of granulocytes precursors, 5 – megalokaryocyte, 6 – the center of leucopoiesis, 7 – erythrocytic insula. (A) Hematoxylin and eosin staining and (B) immunohistochemical study of receptors for myeloperoxidase. Magnification 400×
