File:Trichinella spiralis cysts.tif
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Summary
[edit]DescriptionTrichinella spiralis cysts.tif | This is a photomicrograph depicting numbers of Trichinella spiralis cysts seen embedded in a muscle tissue specimen, in a case of trichinellosis.Trichinellosis is acquired by ingesting meat containing cysts (encysted larvae) of Trichinella sp. roundworm (nematode) parasites. |
Source | https://phil.cdc.gov/Details.aspx?pid=10142 |
Author | CDC/Courtesy: Public Health Image Library |
Licensing
[edit] This file, which was originally posted to
https://phil.cdc.gov/Details.aspx?pid=10142, was reviewed on 11 July 2023 by reviewer TheSandDoctor, who confirmed that it was available there under the stated license on that date.
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Licensing
[edit]Public domainPublic domainfalsefalse |
This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:33, 15 September 2019 | 3,000 × 2,355 (14.29 MB) | Rasbak (talk | contribs) | {{Information |description=This is a photomicrograph depicting numbers of ''Trichinella spiralis'' cysts seen embedded in a muscle tissue specimen, in a case of trichinellosis.Trichinellosis is acquired by ingesting meat containing cysts (encysted larvae) of Trichinella sp. roundworm (nematode) parasites. |source=http://www.publicdomainfiles.com/show_file.php?id=13544010614679 |date= |author=CDC/Courtesy: Public Health Image Library |permission= |other versions= }} =={{int:license-header}}==... |
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Image title | This is a photomicrograph depicting numbers of <i>Trichinella spiralis</i> cysts seen embedded in a muscle tissue specimen, in a case of trichinellosis.<p>Trichinellosis is acquired by ingesting meat containing cysts (encysted larvae) of <i>Trichinella sp.</i> roundworm (nematode) parasites. After exposure to gastric acid and pepsin, the larvae are released from the cysts and invade the small bowel mucosa where they develop into adult worms (female 2.2 mm in length, males 1.2 mm; life span in the small bowel: 4 weeks). After 1 week, the females release larvae that migrate to the striated muscles where they encyst. Encystment is completed in 4 to 5 weeks, and the encysted larvae may remain viable for several years. Ingestion of the encysted larvae perpetuates the cycle.<p>Rats and rodents are primarily responsible for maintaining the endemicity of this infection. Carnivorous/omnivorous animals, such as pigs or bears, feed on infected rodents or meat from other animals. Different animal hosts are implicated in the life cycle of the different species of Trichinella. Humans are accidentally infected when eating improperly processed meat of these carnivorous animals (or eating food contaminated with such meat). |
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Width | 3,000 px |
Height | 2,355 px |
Bits per component |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 1 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Data arrangement | chunky format |
Software used | Paint Shop Pro 9.0 |
File change date and time | 21:45, 6 February 2008 |