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Contact: Angela Stark
The Optical Society

Blood Flowing through a Vessel

Caption: An in vivo image shows red blood cells within a microvessel. The area occupied by red blood cells in the images can be used to calculate the percent volume of red blood cells, a key measurement for many medical diagnoses.

Credit: Biomedical Optics Express

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Related news release: New microscope uses rainbow of light to image the flow of individual blood cells

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