Spinnerets help the spider guide a place the webbing as the create it. Think of the spinnerets as tiny arms on the spider's backside that put the webbing where it should go. Burrowing Spiders will go so far as to use their entire backsides and the spinnerets together to compact and hold the dirt that makes the walls of their burrows for extra stability.
The spider has a spinneret
No- from an organ called the spinneret.
Spinneret
The structures used by spiders to produce silk for their webs.
Similar to that in a spider, the spinneret is the organ that releases silk, by which the caterpillar makes a nest or uses in a strand for moving from place to place eg from a tree-branch to the ground.
First, the spider produces silk-like threads from its spinneret glands. The spider can make different types of silk, some of it is sticky to capture prey, some of it is non-sticky so the spider doesn't get stuck in its own web. Spiders rely on the breeze to help them build their webs. When the spider produces a thread of silk, it waits for the breeze to anchor the thread to where the spider wants it to go. Then the spider repeats the process until the outline of the web is made. From there, the spider weaves its web in its well-known spiral fashion.
The silk-producing organs in spiders are called spinnerets. Spinnerets are located at the rear end of the spider's abdomen and are used to produce silk for various purposes such as building webs, making egg sacs, and capturing prey.
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Spinneret
No. A spider cannot produce web from it's spinneret with enough force to fly through the air and snare prey. Aside from building a web by sticking threads onto surfaces, spiders can release a "large" volume of webbing that allows them to catch the wind and glide to distant locations.
They are made using wood pulp and chemicals. Silk worms use a spinneret on they're heads to make silk, to make regenerated fibres scientists imitate this by making a fake spinneret.
Black Widow