Merck Manual

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Canine blood smear, markedly regenerative anemia
Canine blood smear, markedly regenerative anemia

Markedly regenerative anemia with frequent large polychromatophilic erythrocytes (reticulocytes) and increased anisocytosis in canine blood. A nucleated erythrocyte (metarubricyte) is present in the upper left, and a basophilic, spherical Howell-Jolly body is present in a polychromatophilic cell in the upper right (Wright-Giemsa, 100X oil immersion).

Courtesy of Dr. John W. Harvey.