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Granulocytes
Granulocytes are white blood cells whose
cytoplasm contains tiny granules. The cells are named according to
the staining characteristics of the granules.
 | Neutrophils -
the granules do not stain with normal blood stains so we generally
see just the multilobed nucleus. Neutrophils are phagocytic cells;
they engulf foreign material.
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neutrophils (upper two cells)
eosinophil (lower left cell) |
| Eosinophils have
red-staining granules. They seem to be attracted to allergic
reactions in the body.
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| Basophils have
dark blue-staining granules. They are the least numerous blood
cells. They help initiate the inflammatory process at sites of
injury.
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basophils (high power) |
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