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Human embryos | by California Institute for Regenerative Medicine
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Human embryos

A composite of two images taken of a human embryo under different fluorescent wavelengths using a confocal microscope. Fluorescent tags reveal that cells on the surface of the embryo are expressing human chorinoic gonadotropin (green tag) and an adhesion molecule (red tag)that helps them stick together.

 

The image was taken in the lab of Susan Fisher at the University of California, San Francisco.

 

Learn more about CIRM-funded stem cell research: www.cirm.ca.gov

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Taken on August 19, 2008