cephalothorax

Meanings

1. 1
   noun

   the fused head and thorax forming the front body region of spiders, crustaceans, and some other arthropods

   The crab's legs and claws attach to its hard cephalothorax.

Formed from cephalo-, 'head,' + thorax. Zoologists use the compound for an arthropod body region in which the head and thoracic segments are joined rather than externally separate.

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