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Spiders web, SEM

Spiders web, SEM


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Spiders web, SEM

Spiders web. Coloured scanning electron micrograph (SEM) of threads of spiders silk (yellow) encasing a woodlouse. Silk is produced from silk glands in the abdomen of the spider. Inside the glands the silk is in liquid- crystalline form, but as a thread of silk is squeezed out by the spinnerets the liquid hardens to the protein fibroin. Some spiders construct webs with which to catch prey. They may then wrap their prey in layers of silk to secure it to the web before feeding as seen here. Woodlice are small terrestrial crustaceans. A region of tough exoskeleton is seen. Magnification: x850 when printed 10cm wide

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6467127

© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Adhesive Arachnid Arachnida Captured Caught Crustacean Exoskeleton Fibroin Mesh Predator Predatory Prey Silk Spider Sticky Strand Strands Thread Threads Trap Trapped Wrap Wrapped Wood Louse


EDITORS COMMENTS
This print from Science Photo Library showcases the intricate beauty of a spider's web, captured in stunning detail through a coloured scanning electron micrograph (SEM). The image reveals threads of spiders silk, delicately encasing a woodlouse. Silk, produced by the spider's silk glands located in its abdomen, is initially in liquid-crystalline form within these glands. However, as it is squeezed out through spinnerets, it rapidly hardens into the protein fibroin that forms the strong and flexible thread we see here. Spiders often construct elaborate webs to catch their prey, and this particular image provides a rare glimpse into their hunting strategy. The woodlouse trapped within the web serves as both predator and prey in this fascinating ecosystem. Its tough exoskeleton can be observed amidst the strands of sticky silk that have ensnared it. This visual representation highlights not only the predatory nature of spiders but also their ability to secure their captured meals by wrapping them with layers of silk. With an impressive magnification level of x850 when printed at 10cm wide, this SEM photograph allows us to appreciate the complexity and precision involved in creating such intricately woven structures. It serves as a reminder of how even seemingly small creatures like woodlice play crucial roles within our natural world.

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