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This is a searchable collection of scientific photos, illustrations and videos. Permission is granted to use these products for educational, news media or research purposes, provided the source for each is credited. The material in this collection may not be used to promote or endorse commercial products or services.

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Spinal nerve cells

Neurons (green) and glial cells from isolated dorsal root ganglia express COX-2 (red) after exposure to an inflammatory stimulus (cell nuclei are blue). Lawrence Marnett and c more...

This video condenses 6.5 minutes into less than a minute to show how the toxin in bee venom, called melittin, destroys an animal or bacterial cell. What looks like a red ball more...

Recent Additions

Zebrafish embryo Developing zebrafish fin Fibroblasts with nuclei in blue, energy factories in green and the actin cytoskeleton in red Fruit fly spermatids

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This page last reviewed on April 26, 2011