DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Giardia lamblia, a protozoan (cyst stage) found in water contaminated by animal faeces, scanning electron micrograph (SEM). Causes the protozoal infection known as giardiasis. Parasitic protozoan that causes giardiasis (Giardia lamblia). Giardia lamblia, a human parasite of the gastrointestinal tract. The organism is spread by direct contact or through contaminated food and water. Giardia spp. They cause the disease giardiasis (or lambliasis), an infection of the small intestine most common in tropical areas. Giardia spp. Abdominal cramps, swelling, diarrhoea and nausea may occur. Magnification: x1,465 when shortest axis printed at 25 millimetres.
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