Het·​er·​a·​kis -ˈrā-kəs How to pronounce Heterakis (audio)
: a genus (family Heterakidae) of nematode worms including one (H. gallinarum) that infests especially chickens and turkeys and serves as an intermediate host and transmitter of the protozoan causing blackhead

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“Heterakis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Heterakis. Accessed 23 Feb. 2024.

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