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Examples of normal leukocytes are shown. The bottom panel shows canine red
cells and platelets.
Canine red cells are biconcave discs with fairly deep central indentation and therefore, when spread on a slide have quite noticeable central pallor. Dog red cells are quite uniform in size but platelets have a broad size range. Approximately 1% of red cells are polychromatophilic, indicating that they are reticulocytes. In healthy dogs, there is very little tendency for rouleau formation and red cells in the optimum area of the smear should not form stacks of more than 2-3 cells. The arrows point to two platelets of markedly different sizes in blood from a healthy dog. |
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Last updated on Sunday, January 28, 1996