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Anaplasma marginale , bovine blood smear

Courtesy of Ms. Sue Anderson, Tick Fever Centre, Wacol, Queensland, Australia.

Anaplasma marginale in bovine blood, Wright-Giemsa, 100X oil immersion. Intracellular organisms appear as basophilic, spherical inclusions generally located near the margin of erythrocytes. Echinocytes are frequently present.