Giardiasis causes
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Giardiasis Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Giardiasis causes On the Web |
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American Roentgen Ray Society Images of Giardiasis causes |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Giardiasis outbreaks can occur in communities in both developed and developing countries where water supplies become contaminated with raw sewage. It can be contracted by drinking water from lakes or streams where water-dwelling animals such as beavers and muskrats, or domestic animals such as sheep, have caused contamination. It is also spread by direct person-to-person contact, which has caused outbreaks in institutions such as day care centers. Anything that comes into contact with feces (poop) from infected humans or animals can become contaminated with the Giardia parasite. People become infected when they swallow the parasite. It is not possible to become infected through contact with blood.
Drug Side Effect
Gallery
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![Scanning electron micrograph (SEM) depicts the dorsal (upper) surface of a Giardia protozoan, isolated from a rat’s intestine. From Public Health Image Library (PHIL). [1]](/images/b/b7/Giardiasis09.jpeg)
Scanning electron micrograph (SEM) depicts the dorsal (upper) surface of a Giardia protozoan, isolated from a rat’s intestine. From Public Health Image Library (PHIL). [1]
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![Scanning electron micrograph(SEM) depicts the mucosal surface of the small intestine of a gerbil infested with Giardia sp. protozoa. The intestinal epithelial surface is almost entirely obscured by the attached Giardia trophozoites. From Public Health Image Library (PHIL). [1]](/images/3/36/Giardiasis08.jpeg)
Scanning electron micrograph(SEM) depicts the mucosal surface of the small intestine of a gerbil infested with Giardia sp. protozoa. The intestinal epithelial surface is almost entirely obscured by the attached Giardia trophozoites. From Public Health Image Library (PHIL). [1]
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![Scanning electron micrograph (SEM) depicts a Giardia lamblia protozoan in a late stage of cell division that was about to become two separate organisms, producing a heart-shaped form. From Public Health Image Library (PHIL). [1]](/images/2/24/Giardiasis07.jpeg)
Scanning electron micrograph (SEM) depicts a Giardia lamblia protozoan in a late stage of cell division that was about to become two separate organisms, producing a heart-shaped form. From Public Health Image Library (PHIL). [1]
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![Scanning electron micrograph (SEM) depicts the ventral surface of a Giardia muris trophozoite. From Public Health Image Library (PHIL). [1]](/images/0/05/Giardiasis06.jpeg)
Scanning electron micrograph (SEM) depicts the ventral surface of a Giardia muris trophozoite. From Public Health Image Library (PHIL). [1]
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![Digitally-colorized scanning electron micrograph (SEM) depicts the dorsal (upper) surface of a Giardia protozoan, isolated from a rat’s intestine. Some of the identifying morphologic characteristics include pairs of thread-like flagella that facilitate motility, and a ventolateral flange that appears as a “ruffle” around the anterior portion of the organism. Pairs of flagella seen here include an anterior, posterior-lateral, and caudal pairs. From Public Health Image Library (PHIL). [1]](/images/e/e5/Giardiasis05.jpeg)
Digitally-colorized scanning electron micrograph (SEM) depicts the dorsal (upper) surface of a Giardia protozoan, isolated from a rat’s intestine. Some of the identifying morphologic characteristics include pairs of thread-like flagella that facilitate motility, and a ventolateral flange that appears as a “ruffle” around the anterior portion of the organism. Pairs of flagella seen here include an anterior, posterior-lateral, and caudal pairs. From Public Health Image Library (PHIL). [1]
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![Digitally-colorized scanning electron micrograph (SEM) depicts some of the ultrastructural morphologic details of an oblong-shaped Giardia sp. protozoan cyst, revealing the filamentous nature of the cyst wall. Each cyst-wall filament is approximately 7 to 20 nanometers (nm) thick. Here cyst is undergoing "excystation", and was captured at a point in the process where a flagellated trophozoite was beginning to emerge from the right side of the cyst. From Public Health Image Library (PHIL). [1]](/images/1/1c/Giardiasis04.jpeg)
Digitally-colorized scanning electron micrograph (SEM) depicts some of the ultrastructural morphologic details of an oblong-shaped Giardia sp. protozoan cyst, revealing the filamentous nature of the cyst wall. Each cyst-wall filament is approximately 7 to 20 nanometers (nm) thick. Here cyst is undergoing "excystation", and was captured at a point in the process where a flagellated trophozoite was beginning to emerge from the right side of the cyst. From Public Health Image Library (PHIL). [1]
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![Scanning electron micrograph (SEM) depicts the ventral surface of a Giardia muris trophozoite that had settled atop the mucosal surface of a rat’s intestine. From Public Health Image Library (PHIL). [1]](/images/9/9e/Giardiasis03.jpeg)
Scanning electron micrograph (SEM) depicts the ventral surface of a Giardia muris trophozoite that had settled atop the mucosal surface of a rat’s intestine. From Public Health Image Library (PHIL). [1]
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![Digitally-colorized scanning electron micrograph (SEM) depicts 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. From Public Health Image Library (PHIL). [1]](/images/2/2e/Giardiasis02.jpeg)
Digitally-colorized scanning electron micrograph (SEM) depicts 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. From Public Health Image Library (PHIL). [1]
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![Digitally-colorized scanning electron micrograph (SEM) depicts a Giardia muris protozoan adhering itself to the microvillous border of an intestinal epithelial cell. From Public Health Image Library (PHIL). [1]](/images/f/f4/Giardiasis01.jpeg)
Digitally-colorized scanning electron micrograph (SEM) depicts a Giardia muris protozoan adhering itself to the microvillous border of an intestinal epithelial cell. From Public Health Image Library (PHIL). [1]
![Scanning electron micrograph (SEM) depicts the dorsal (upper) surface of a Giardia protozoan, isolated from a rat’s intestine. From Public Health Image Library (PHIL). [1]](/index.php/File:Giardiasis09.jpeg)
![Scanning electron micrograph(SEM) depicts the mucosal surface of the small intestine of a gerbil infested with Giardia sp. protozoa. The intestinal epithelial surface is almost entirely obscured by the attached Giardia trophozoites. From Public Health Image Library (PHIL). [1]](/index.php/File:Giardiasis08.jpeg)
![Scanning electron micrograph (SEM) depicts a Giardia lamblia protozoan in a late stage of cell division that was about to become two separate organisms, producing a heart-shaped form. From Public Health Image Library (PHIL). [1]](/index.php/File:Giardiasis07.jpeg)
![Scanning electron micrograph (SEM) depicts the ventral surface of a Giardia muris trophozoite. From Public Health Image Library (PHIL). [1]](/index.php/File:Giardiasis06.jpeg)
![Digitally-colorized scanning electron micrograph (SEM) depicts the dorsal (upper) surface of a Giardia protozoan, isolated from a rat’s intestine. Some of the identifying morphologic characteristics include pairs of thread-like flagella that facilitate motility, and a ventolateral flange that appears as a “ruffle” around the anterior portion of the organism. Pairs of flagella seen here include an anterior, posterior-lateral, and caudal pairs. From Public Health Image Library (PHIL). [1]](/index.php/File:Giardiasis05.jpeg)
![Digitally-colorized scanning electron micrograph (SEM) depicts some of the ultrastructural morphologic details of an oblong-shaped Giardia sp. protozoan cyst, revealing the filamentous nature of the cyst wall. Each cyst-wall filament is approximately 7 to 20 nanometers (nm) thick. Here cyst is undergoing "excystation", and was captured at a point in the process where a flagellated trophozoite was beginning to emerge from the right side of the cyst. From Public Health Image Library (PHIL). [1]](/index.php/File:Giardiasis04.jpeg)
![Scanning electron micrograph (SEM) depicts the ventral surface of a Giardia muris trophozoite that had settled atop the mucosal surface of a rat’s intestine. From Public Health Image Library (PHIL). [1]](/index.php/File:Giardiasis03.jpeg)
![Digitally-colorized scanning electron micrograph (SEM) depicts 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. From Public Health Image Library (PHIL). [1]](/index.php/File:Giardiasis02.jpeg)
![Digitally-colorized scanning electron micrograph (SEM) depicts a Giardia muris protozoan adhering itself to the microvillous border of an intestinal epithelial cell. From Public Health Image Library (PHIL). [1]](/index.php/File:Giardiasis01.jpeg)
References