Stinging nettle stingers. Polarised light micrograph of hairs (trichomes) on a stinging nettle (Urtica dioica). These hollow stinging hairs act like hypodermic needles, injecting histamine and other chemicals that produce a stinging sensation when contacted by humans and other animals. Magnification: x100 when printed 10 centimetres wide. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Mis, Marek |
Bildgröße: | 7026 px × 4684 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |