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

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VETERINARY PET
Cloacal papilloma, gross lesion, Amazon parrot
cloacal-papilloma-gross-lesion-amazon-parrot-exlcb26-sized
Cloacal papilloma, gross lesion, Amazon parrot

    Cloacal papilloma, gross lesion, in a blue-fronted Amazon parrot. A red proliferative mass commonly originates from just inside the rim of the cloacal opening.

Courtesy of Dr. Louise Bauck.

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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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