DR TONY BRAIN / SCIENCE PHOTO LIBRARY DR TONY BRAIN / SCIENCE PHOTO LIBRARY
Scanning electron micrograph (SEM) of rod shaped bacteria (orange) clustered on the point of a syringe needle used to administer injections. At this magnification the tip of the needle is seen to be bent with a clump of bacteria growing in the bend. This is the third in a series of pictures at regularly increasing magnifications. Magnification x144 at 35mm, x290 at 70mm size.
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