| 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. |
giardiasis gi·ar·di·a·sis (jē'är-dī'ə-sĭs)
n.
A condition in which the intenstines are infected with the protozoan Giardia lamblia. Also called lambliasis.
| giardiasis (jē'är-dī'ə-sĭs) Pronunciation Key
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. |