THIERRY BERROD, MONA LISA PRODUCTION / SCIENCE PHOTO LIBRARY THIERRY BERROD, MONA LISA PRODUCTION / SCIENCE PHOTO LIBRARY
Cannabis leaf trichomes. Coloured environmental scanning electron micrograph (ESEM) of glandular trichomes on the surface of a cannabis (Cannabis sativa) plant. These trichomes secrete a resin containing tetrahydrocannabinol, the active component of cannabis when used as a drug. Magnification: approximately x40 when printed at 10 centimetres wide.
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