51³Ô¹ÏÍø

"Stinging nettle leaf, SEM" - HD stock video

"Animated scanning electron micrograph (SEM) of the leaf of a stinging nettle (Urtica dioica), pulling back to show one of its stinging hairs. This plant has many hollow stinging hairs called trichomes on its leaves and stems. They act like hypodermic needles, injecting histamine and other chemicals that produce a stinging sensation when contacted by humans and other animals. Despite this defence, the stinging nettle has a long history of use as a medicine and as a food source."
"Animated scanning electron micrograph (SEM) of the leaf of a stinging nettle (Urtica dioica), pulling back to show one of its stinging hairs. This plant has many hollow stinging hairs called trichomes on its leaves and stems. They act like hypodermic needles, injecting histamine and other chemicals that produce a stinging sensation when contacted by humans and other animals. Despite this defence, the stinging nettle has a long history of use as a medicine and as a food source."
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DETAILS

Credit:
Science Photo Library
51³Ô¹ÏÍø #:
618593445
License type:
Rights-ready
Collection:
Image Bank Film
Max file size:
1920 x 1080 px - 394 MB
Clip length:
00:00:10:00
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No release required
Mastered to:
QuickTime 8-bit Photo-JPEG HD 1920x1080 25p
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