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Any of various flagellated, usually nonpathogenic protozoa of the genus Giardia that may be parasitic in the intestines of vertebrates including humans and most domestic animals.
[New Latin, after Alfred Mathieu Giard (1846-1908), French zoologist.]
(Microbiology) bacteriol one of a species of parasite infecting the small intestine of mammals
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|Noun||1.||giardia - a suspected cause of diarrhea in humans|
flagellate, flagellate protozoan, flagellated protozoan, mastigophoran, mastigophore - a usually nonphotosynthetic free-living protozoan with whiplike appendages; some are pathogens of humans and other animals
genus Giardia - flagellates parasitic in intestines of vertebrates