51³Ô¹ÏÍø

"Stinging nettle leaf, SEM" - HD stock video

"Animated scanning electron micrograph (SEM) of the leaf of a stinging nettle (Urtica dioica). 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). 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 #:
618593443
License type:
Rights-ready
Collection:
Image Bank Film
Max file size:
1920 x 1080 px - 347 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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