Looking at a stained smear of horse blood and seeing a leukocyte with large red granules in its cytoplasm. I am most likely seeing a granulocyte, an eosinophil in particular.
Leukocytes are white blood cells and there are various types of white blood cells including granulocytes, agranulocytes.
Granulocytes are white blood cells present with granules and produced in the bone marrow. There are three types of granulocyte; they include eosinophil, basophil and neutrophil.
Eosinophils are white blood cells with large granules and they stain red with dye. Their nucleus is also made up of two unsegmented lobes.
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