Spiders

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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alice1

Beijing, China

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Spiders

Tarsus

Animals; Spiders

The most distal (or end) segment of a leg or palp.

Taxonomy

Animals; Spiders

The theory and practise of classifying organisms, part of systematics, the study of the kinds and diversity of organisms.

Tergites

Animals; Spiders

Dorsal sclerites on the body; the hard plates on the abdomen of the atypical tarantulas that indicate the segmentation.

Thorax

Animals; Spiders

That part of the cephalothorax behind the head region and separated from it by a shallow groove.

Chitin

Animals; Spiders

A linear homopolysaceharide found as the characteristic molecule in the cuticle of arthropods. The molecules are layered in chains and cross-linked to form the strong, lightweight basis of the ...