(700 × 478 piksel, fayl həcmi: 33 KB, MIME növü: image/jpeg)

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English: This historic 1942 photomicrograph revealed some of the morphologic details displayed by a schistosomal cercaria, which is the larval stage of a parasite that causes “swimmer’s itch”, and was magnified approximately 150x.
  • This was one of a series of instructional images used by the Minnesota Board of Health to train its state public health workers. The purpose of the images and the accompanying training was focused on protecting potable water supplies from contaminants including toxins, and pathogenic organisms, such as the parasite pictured here. This material was obtained from Professor William A. Riley, of the University of Minnesota. The sample itself was taken from Lake Owasso, Minnesota.
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  • Photo Credit:
  • Content Providers(s): CDC/ Minnesota Department of Health, R.N. Barr Library; Librarians Melissa Rethlefsen and Marie Jones, Prof. William A. Riley
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English: None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

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Public domain
This image is a work of the Centers for Disease Control and Prevention, part of the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.

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19:16, 18 October 2007 User:Filip em 700×478 33 KB This historic 1942 photomicrograph revealed some of the morphologic details displayed by a schistosomal cercaria, which is the the larval stage of a parasite that causes “swimmer’s itch”, and was magnified approximately 150x. This was one of a seri

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hal-hazırkı 700 × 478 (33 KB) move approved by: This image was moved from {{Information |Description= {{en|This historic 1942 photomicrograph revealed some of the morphologic details displayed by a '''schistosomal cercaria''', which is

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