Eosinophils are the most recognizable cells in the blood because they contain large reddish-orange staining granules. The granules are all the same size. The nucleus of an eosinophil is usually bilobed and the chromatin stains a little lighter than a seg. The greatest number of blood specimens showing eosinophilia are from patients with allergies. The other major causes for eosinophilia are skin diseases, infections (especially those with tissue invasion), Loffler's syndrome, pulmonary infiltration with eosinophilia, Hodgkin's disease, and malignancy.
Course Section: 03. Blood Smears Stained with Wright's Stain
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