JAMES CAVALLINI / SCIENCE PHOTO LIBRARY JAMES CAVALLINI / SCIENCE PHOTO LIBRARY
Colorized light micrograph showing Clostridium tetani (or bacillus Nicolaier), the bacterium that causes tetanus. Even minimal contamination of a wound results in the production of a neurotropic toxin (tetanospasmin), which binds in the central nervous system, causing paralysis and cramps. Image colorization and HDRI treatments on optical microscopy; magnification X2000.
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