Definition of cephalothorax
: the united head and thorax of an arachnid or higher crustacean
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Opillonids, also called harvestmen, consist of one basic body segment — plus legs — while spiders have two main body parts: the cephalothorax and abdomen.
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During the molting process, tarantulas contract their abdomens, which pushes fluid into the upper body, or cephalothorax.
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Origin and Etymology of cephalothorax
International Scientific Vocabulary
Medical Dictionary
medical Definition of cephalothorax
: the united head and thorax of an arachnid or higher crustacean
Learn More about cephalothorax
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Britannica.com: Encyclopedia article about cephalothorax
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