MSD Manual

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

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VETERINARY PET
Vaginal cytology typical of the diestrual shift, dog
vaginal-cytology-typical-diestrual-shift-16-davidson-sized
Vaginal cytology typical of the diestrual shift, dog

    Vaginal cytology during this stage is abruptly altered by the reappearance of parabasal epithelial cells and frequently neutrophils, as seen here.

Courtesy of Dr. Autumn Davidson.

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

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