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Spiders

Any arachnid of the order Araneae, having a body divided into a cephalothorax with eight legs, two poison fangs, and two feelers as well as an unsegmented abdomen with several spinnerets that produce the silk used to make nests, cocoons, or webs for trapping insects.

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Spiders

sperm web

Animals; Spiders

A web of few or many threads on which male spiders deposit the semen preparatory to taking it into the palpus.

spermathecae

Animals; Spiders

The sacs or cavities in female spiders which receive and store semen.

spermatozoa

Animals; Spiders

The mature sperm cells.

spiderling

Animals; Spiders

The nymphal or immature spider, generally resembling the adult, hut smaller; fully mobile and no longer dependent on yolk.

spine

Animals; Spiders

A thick, stiff hair or bristle.

spinnerets

Animals; Spiders

The fingerlike abdominal appendages of spiders through which the silk is spun.

spinners

Animals; Spiders

Paired appendages at the rear end of the abdomen, below the anal tubercle, from the spigots of which silk strands are extruded.

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