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Spider Silk
(redirected from Silk spider)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
Spider Silk 

the fluid excreted by the silk glands of certain arthropods (Arachneidae, Tetranychoidea, Pseudoscorpionidea, Embioptera), which may be drawn in the form of fine threads that rapidly harden in the air. Spider silk, which is similar to the silk of silkworms, consists mainly of very sturdy fibroin that is insoluble in water. The silk is not only resilient and strong but also sticky. It is used by the animal to construct snares, shelters, and egg cocoons.



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[ILLUSTRATION OMITTED] The most studied spider silks come from the golden silk spider, Nephila clavipes, and the European garden spider, Araneus diadematus.
John Gosline of the University of British Columbia in Vancouver, Canada, and his colleague Ken Savage recently compared the dragline silk of the golden silk spider with that of the European garden spider.
The silk spiders use to weave webs is liquid but hardens on contact with air.
 
 
 
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