STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Squirrel monkey incisors. Coloured scanning electron micrograph (SEM) of the upper incisor teeth from a squirrel monkey. The squirrel monkeys (genus Saimiri) are a group of New World monkeys. Magnification: x30 when printed at 10 centimetres across.
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