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SEM blood cells.jpg

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Full resolution(1,800 × 2,239 pixels, file size: 1.33 MB, MIME type: image/jpeg)

Summary Edit

Description

This is a scanning electron microscope image from normal circulating human blood. One can see red blood cells, several white blood cells including lymphocytes, a monocyte, a neutrophil, and many small disc-shaped platelets. Red cells are nonnucleated, and contain hemoglobin, containing iron an important protein which allows the cell to carry oxygen to other parts of the body. They also carry carbon dioxide away from the lungs. The infection-fighting white blood cells, are classified in 2 main groups: granular and agranular. Granulocytes are formed in bone marrow, agranulocytes are produced by lymph nodes and spleen. There are two types of agranulocytes: lymphocytes, fight disease by producing antibodies and thus destroying foreign material, and monocytes. Platelets are tiny cells formed in bone marrow and are necessary for blood clotting. Type: Black & White Print

Source

Image and description: National Cancer Institute

Date Date Created: February 1982
Author Bruce Wetzel (photographer). Harry Schaefer (photographer)
Permission

[1] "All images are in the public domain and may be used, linked, or reproduced without permission. If an image is used, credit should be given to the listed source and/or author."


Licensing Edit

PD-icon This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright.

Note: This only applies to works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. (See 206.02(b) of Compendium II: Copyright Office Practices).


This page uses content from the Wikimedia Commons. The original content was at File:SEM blood cells.jpg. The list of authors can be seen in the page history. As with this Psychology Wiki wiki, that portion of the content of Wikimedia Commons is available under the GNU Free Documentation License.

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File history

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Date/TimeThumbnailDimensionsUserComment
current12:54, November 5, 2007Thumbnail for version as of 12:54, November 5, 20071,800 × 2,239 (1.33 MB)PhloxBot (Talk | contribs)== Summary == {{Media-info |Description= This is a scanning electron microscope image from normal circulating human blood. One can see red blood cells, several white blood cells including lymphocytes, a monocyte, a neutrophil, and many small disc-shaped p

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