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Frog tongue acts as muscle-powered adhesive tape [Royal Society Open Science]

Keywords : adhesion, biomaterials, feeding, amphibians, biomechanics

par Frédéric Magné - publié le

Frogs are well known to capture fast-moving prey by flicking their sticky tongues out of the mouth. This tongue projection behaviour happens extremely fast which makes frog tongues a biological high-speed adhesive system. The processes at the interface between tongue and prey, and thus the mechanism of adhesion, however, are completely unknown. Here, we captured the contact mechanics of frog tongues by filming tongue adhesion at 2000 frames per second through an illuminated glass.(...)

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