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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

Antennae

Animals; Spiders

The segmented sensory organs often termed "feelers," borne on the heads of insects, crustacea, et cetera , but missing in all arachnids.

Appendages

Animals; Spiders

Parts or organs (such as legs, spinnerets, chelicerae) that are attached to the body.

Arachnida

Animals; Spiders

A principal division, or Class, of the air-breathing arthropods, the arachnids, including the scorpions, mites, spiders, harvestmen, etc.

Accessory claws

Animals; Spiders

Serrated, thickened hairs near the true claws in some spiders.

Anal tubercle

Animals; Spiders

The small caudal tubercle bearing the anal opening; the postabdomen.

Cardiac mark

Animals; Spiders

An elongate midline mark on the anterior, dorsal surface of the abdomen which overlies the heart.

Paracymbium

Animals; Spiders

A structure in the male palp branching from, or loosely attached to, the cymbium.

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