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Leukocytes Unit
WBC Morphology
Cell Name | Reference Ranges | Nuclear Characteristics | Cytoplasmic Characteristics |
---|---|---|---|
Eosinophil | 1-7% | Typically bi-lobed (up to 3); each lobe is fuller; blue/purple | Pink/orange/red granules, large, crystalline/shiny; mainly in cytoplasm |
Basophil | 0-2% | 3-5 lobes; purple/blue; difficult to see, obscured by granules | Purple/blue/black granules, variable sizes; throughout cytoplasm & over nucleus |
Lymphocyte | 22-44% | Round, dense; purple/blue | Scant in volume; sky blue; occasional red granules |
Reactive Lymphocyte | 22-44% | Dark blue, loose, large, irregular shape | Abundant in volume, sky blueISH, amoebic shape; vacuoles, darkens when against RBCs |
Monocyte | 1-10% | Round/kidney shaped; can be deeply indented or have 2 or more lobes; lacey chromatin pattern | Blue-gray w fine granulation "ground glass"; vacuoles are common |
Neutrophils | 40-75% | 3-5 lobes, held together by thin filaments; purple/blue | Azur (Purple/pink/blue) granules, small; mainly in cytoplasm |
Band Neutrophils | 40-75% | no lobes, no pinching, blue/purple | Same as Neutrophils |