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Merck Manual
Veterinary Manual
The trusted provider of veterinary information since 1955

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VETERINARY PET
Morula, blood smear, dog
morula-canine-neutrophil-bloodsmear-wood-high
Morula, blood smear, dog

    Photomicrograph of a blood smear from a dog showing the morula of a rickettsial organism in the cytoplasm of a neutrophil (cell on left stained purple). The most likely infectious agent is Anaplasma phagocytophilum.

Courtesy of Dr. Darren Wood.

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Leukogram Abnormalities in Animals

Merck & Co., Inc., Rahway, NJ, USA (known as MSD outside of the US and Canada) is dedicated to using the power of leading-edge science to save and improve lives around the world.  The Merck Veterinary Manual was first published in 1955 as a service to the community.  The legacy of this great resource continues as the Merck Veterinary Manual in the US and Canada and the MSD Vet Manual outside of North America.

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