Giardia lamblia Trophozoites Slide, Smear, HH

Use this microscope slide to examine the structure of the active trophozoite form of Giardia lamblia . This flagellated, parasitic protozoan causes giardiasis, an infection of the human small intestine characterized by diarrhea and abdominal pain. The parasite exists in 2 forms: the inactive cyst and the active trophozoite that colonizes the small intestine. The trophozoites typically have paired nuclei and paired flagella. Stained with Heidenhains hematoxylin.