False-coloured SEM of Cryptosporidia in intestines

False-coloured SEM of Cryptosporidia in intestines

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Credit: MOREDUN ANIMAL HEALTH/SCIENCE PHOTO LIBRARY

Caption: False-colour scanning electron micrograph of the surface of the small intestine, showing infection with Cryptosporidium parvum, which causes severe diarrhoea & is a major killer of AIDS victims. The photograph shows a very severe infection by the parasitic protozoan, resulting in the atrophy & fusion of the intestinal villi. The protozoa (green spheres) are incorporated in the intestinal cells, just under the cell membrane. Different sizes are different stages in the life cycle. Cryptosporosis is a common opportunistic infection in AIDS patients: it is the cause of death in about 10% of AIDS patients in the UK & up to 50% elsewhere. Magnification: x900 at 6x4.5cm size.

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Keywords: acquired immune deficiency, aids, condition, cryptosporidiosis, cryptosporidium parvum, cryptosporidium sp., disease, disorder, healthcare, jbu colouring, medical, medicine, parasite, protozoan, sporozoan, syndrome

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