64.2 MB (9.8 MB compressed)
4908 x 4570 pixels
41.7 x 38.6 cm ⏐ 16.4 x 15.2 in (300dpi)
TED KINSMAN / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY TED KINSMAN / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
Colour-enhanced Scanning Electron Micrograph (SEM) of the surface of a marijuana (Cannabis sativa) plant leaf, showing glandular cells, called trichomes. These are capitate trichomes that have stalks. They secrete a resin containing tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells at the top of the trichomes are 60 um in diameter.
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