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

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VETERINARY PET
Apiosoma, gill, oscar (Astronotus ocellatus)
<i >Apiosoma</i>, gill, oscar (<i >Astronotus ocellatus</i>)
Apiosoma, gill, oscar (Astronotus ocellatus)

    Video of microscopic examination of gill tissue from an oscar (Astronotus ocellatus). Apiosoma is attached to the tip of a primary gill filament. Unstained wet mount; magnification 400×.

Courtesy of Dr. Denise Petty.

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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