The Spider’s Venomous Fang

May 19, 2012
The Reptile Report
by Robyn

The Reptile Report - The chitin fibers in the fangs of a large Central American wandering spider are arranged and surrounded with proteins in a way that makes the material particularly rigid and thus capable of penetrating its prey’s cuticular armor. Thanks to the composition and structure of their materials, the fangs become optimized and reusable hypodermic needles for injecting prey with paralyzing venom. The new insights into this biological material could provide inspiration for the optimization of similar technical materials and devices.

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