Please confirm that you are a health care professional
The link you have selected will take you to a third-party website. We do not control or have responsibility for the content of any third-party site.
This site complies with the HONcode standard for trustworthy health information: verify here.
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.