The protozoan Ophryoscolex spp. has a unique and complex cell structure. With an average length of 185 micrometers, it is one of the largest in the cow’s rumen.

Photo by Sharon Franklin. Colorization by Stephen Ausmus. Image Number D383-1

This image is in the public domain because it contains materials that originally came from the Agricultural Research Service, the research agency of the United States Department of Agriculture. العربية ∙ dansk ∙ Deutsch ∙ English ∙ español ∙ فارسی ∙ français ∙ italiano ∙ 日本語 ∙ македонски ∙ മലയാളം ∙ Nederlands ∙ português ∙ sicilianu ∙ Türkçe ∙ Tiếng Việt ∙ 中文 ∙ +/−