Ascaridae

noun plural
As·​car·​i·​dae | \ə-ˈskar-ə-ˌdē \

Medical Definition of Ascaridae 

: a family of large nematode worms (superfamily Ascaridoidea) that are usually parasitic in the intestines of vertebrates, have three well-developed lips and a simple cylindrical esophagus, and include the common roundworm (Ascaris lumbricoides) parasitic in the human intestine — see ascaridia, ascaris

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