A Downy cell, specifically Downey type I, is an atypical lymphocyte with distinct characteristics.
Characteristics of Downy Type I Cells
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Size: Downey type I cells are slightly larger than normal lymphocytes.
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Nucleus: They possess indented or bean-shaped nuclei.
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Cytoplasm: They have reduced cytoplasm which often contains a few azurophilic granules and vacuoles.