File:Giardia lamblia in a late stage of cell division.jpg
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![File:Giardia lamblia in a late stage of cell division.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/2/21/Giardia_lamblia_in_a_late_stage_of_cell_division.jpg/506px-Giardia_lamblia_in_a_late_stage_of_cell_division.jpg?20150513195958)
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[edit]DescriptionGiardia lamblia in a late stage of cell division.jpg |
English: This digitally-colorized scanning electron micrograph (SEM) depicted a Giardia lamblia protozoan that was about to become two, separate organisms, as it was caught in a late stage of cell division, producing a heart-shaped form.
The protozoan Giardia causes the diarrheal disease called giardiasis. Giardia species exist as free-swimming (by means of flagella) trophozoites, and as egg-shaped cysts. It is the cystic stage, which facilitates the survival of these organisms under harsh environmental conditions. The cyst is considered the infective form, and disease is often transmitted by drinking contaminated water. As depicted in these SEMs, in the intestine, cysts are stimulated to liberate trophozoites. Cysts can be shed in fecal material, and can, thereafter, remain viable for several months in appropriate environmental conditions. Cysts can also be transferred directly from person-to-person, as a result of poor hygiene. |
Date | |
Source | https://phil.cdc.gov/phil/details.asp?pid=11652 |
Author | Dr. Stan Erlandsen |
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[edit]Public domainPublic domainfalsefalse |
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This work has been released into the public domain by its author, http://phil.cdc.gov/phil/details.asp Dr. Stan Erlandsen. This applies worldwide. In some countries this may not be legally possible; if so: http://phil.cdc.gov/phil/details.asp Dr. Stan Erlandsen grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. Public domainPublic domainfalsefalse |
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current | 19:59, 13 May 2015 | ![]() | 648 × 768 (349 KB) | Jean-madeleine de sainte agathe (talk | contribs) | User created page with UploadWizard |
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Author | Picasa |
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Date and time of data generation | 21:56, 13 May 2015 |
Software used | Picasa |
File change date and time | 21:57, 13 May 2015 |
Exif version | 2.2 |
Unique image ID | 3ff8608d3bcff91d1df868868778e8d3 |
IIM version | 4 |