Spirurida

noun plural

Spi·​ru·​ri·​da spī-ˈru̇r-ə-də How to pronounce Spirurida (audio)
: an order of parasitic nematodes of the subclass Aphasmidia that are characterized by an esophagus divided into two cylinder-shaped regions and having six lips and no buccal stylet and that include various parasites (as the filarial worms) of vertebrates having complex life cycles requiring an invertebrate intermediate host

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Cite this Entry

“Spirurida.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Spirurida. Accessed 9 Feb. 2023.

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