Metastrongylus
noun
Meta·stron·gy·lus
-ˈsträn-jə-ləs 
: a genus that is the type of the family Metastrongylidae and includes slender threadlike nematode worms parasitizing as adults the lungs and sometimes other organs of mammals and as larvae various earthworms
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“Metastrongylus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Metastrongylus. Accessed 4 Nov. 2025.
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