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Haemobartonella felis, feline blood smear
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Haemobartonella felis, feline blood smear

    Haemobartonella felis in blood from a cat. Organisms appear as small cocci, rods, or rings on the outside of erythrocytes. The presence of polychromatophilic cells indicates that the anemia is regenerative. Two nucleated erythrocytes (metarubricytes) are also present (Wright-Giemsa, 100X oil immersion).

Courtesy of Dr. John W. Harvey.

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