Scanning electron microscope (SEM) view pulling back from one of the stinging hairs (trichomes) on a leaf of a stinging nettle (Urtica dioica). The trichomes act as syringes when touched, penetrating the skin and injecting an irritating mixture of chemicals, including the neurotransmitters serotonin, histamine and acetylcholine. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / NANOFLIGHT (R) MOVIE, STEFAN DILLER |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Länge: | 21 Sekunden |
Seitenverhältnis: | 16:9 |
Restrictions: |
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