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Araneina

Araneina

(Science: zoology) The order of arachnida that includes the spiders.

They have mandibles, modified a poison fags, leglike palpi, simple eyes, abdomen without segments, and spinnerets for spinning a web. They breathe by pulmonary sacs and tracheae in the abdomen.

Origin: NL, fr. L. Aranea spider.


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