MAREK MIS / SCIENCE PHOTO LIBRARY MAREK MIS / SCIENCE PHOTO LIBRARY
Nettle stinging trichomes. Light micrograph of stinging trichomes on an Urtica nettle. Trichomes are specialised structures that can be glandular in nature, defend against predators, or help reduce water loss. This micrograph was obtained using bright field, epi illumination. Magnification: x40 when printed at 10 centimetres tall.
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