Anaplasma marginale

Anaplasma marginale 1 ARROWS
Anaplasma marginale. Bovine.

Morphology: small, round, dark purple inclusions located at the periphery of red cells. Usually 1 – 2 bacteria per red cell. Present in up to 90% of red cells.

Look alike: Howell-Jolly bodies

Clinical relevance: Anaplasma marginale is an intracellular bacteria that infects erythrocytes of cattle. Causes severe acute hemolytic anemia.

Anaplasma marginale 2 ARROWS
Anaplasma marginale. Bovine.
Anaplasma marginale 3 ARROWS
Anaplasma marginale. Bovine.

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