Credit: CELLS ALIVE!/SCIENCE PHOTO LIBRARY
Caption: Excystation of Cryptosporidium parvum. Cysts of this water-borne parasite can be found in some public water supplies. Takes only 4-6 cysts to infect. You drink the water, the cyst passes the stomach where acid weakens the cyst wall, and in the intestine, the little caraway seed-like sporozooites invade the intestinal wall and produce more cysts. Sporozooites are shown escaping their cysts. Can be fatal in suppressed immune individuals like AIDS.
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Keywords: cell, cryptosporidiosis, cryptosporidium parvum, cysts, eukaryote, excystation, microbiology, microscopic, parasitic, protozoa, protozoan, science, scientific, single celled, sporozoites, waterborne parasite
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Excystation of Cryptosporidium parvum
K003/2934 Rights Managed
Downloadable master
Duration: 00:00:16
Frame size: 960x720
Frame rate: 25
Audio: No
Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels
File size: 166.8M
Original
Capture format: MiniDV
Frame size: 720x576
Codec: None
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