Anaplasma marginale is typically recognized in stained blood smears as:
Correct answer: A. Small inclusions near the erythrocyte margin
- A. Small inclusions near the erythrocyte margin
- B. Large cysts inside neutrophils
- C. Motile larvae between red cells
- D. Clusters of spores in platelets
Explanation
Anaplasma marginale appears as small, dense, basophilic inclusions positioned near the margin of bovine erythrocytes. The organism is an intraerythrocytic rickettsial parasite rather than a free moving blood larva.
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About Veterinary Parasitology
Covers protozoa, helminths and arthropods that infect domestic animals, including their morphology, life cycles, hosts, transmission and clinical effects. Questions connect parasite identification with diagnosis, prevention and treatment, and distinguish endoparasites from ectoparasites and definitive hosts from intermediate hosts.
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