A front spinneret - the largest spigot produces the spider's safety line, called the dragline. The smaller spigots produce lots of short sticky threads that make a strong attachment point for other silk lines. Electron micrograph.
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Tags web, silk, spinneret, arachnids, invertebrates, spiders, scanning electron microscope, SEM, micrograph,
Four spinnerets with hair-like spigots of spider View full size
J Thompson
© J Thompson
Web Builder Six spinnerets and a cribellum View full size
Sue Lindsay
© Australian Museum
Web builder Six spinnerets with different type of spigots View full size
Sue Lindsay
© Australian Museum
Cribellum - flat spinning plate covered with tiny spigots View full size
Sue Lindsay
© Australian Museum