Mesocestoides

noun

: a genus (the type of the family Mesocestoididae) of atypical unarmed cyclophyllidean tapeworms having the adults parasitic in mammals and birds and a slender threadlike contractile larva free in cavities or encysted in tissues of mammals, birds, and sometimes reptiles

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“Mesocestoides.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Mesocestoides. Accessed 9 Jul. 2026.

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