- an intestinal disorder characterized by abdominal discomfort and prolonged, intermittent diarrhea, caused by the protozoan Giardia lamblia and contracted by drinking untreated water, as of streams or ponds, contaminated with the feces of infected animals.
- infection with the parasitic protozoan Giardia lamblia, which can cause severe diarrhoea
- A condition in which the intestines are infected with the protozoan Giardia lamblia.lambliasis
- An intestinal infection caused by the protozoan Giardia lamblia. It is usually asymptomatic in humans but can cause diarrhea, nausea, and abdominal cramping. Giardiasis is most commonly transmitted by contaminated water and by direct contact among individuals in group settings.