Os·​ter·​ta·​gia ˌäs-tər-ˈtā-j(ē-)ə How to pronounce Ostertagia (audio)
: a genus of slender brown nematode worms of the family Trichostrongylidae that are parasitic in the abomasum of ruminants

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Cite this Entry

“Ostertagia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Ostertagia. Accessed 29 Sep. 2023.

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