Definition of cephalothorax in English:

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Pronunciation: /ˌsefələˈTHôraks/

noun (plural cephalothoraces /-ˈTHôrəˌsēz/ or cephalothoraxes)

The fused head and thorax of spiders and other chelicerate arthropods.
Example sentences
  • The head and thorax are fused into a cephalothorax and may be difficult to distinguish.
  • The body is divided into a front part - the cephalothorax or prosoma, and a rear part, the abdomen or opisthosoma.
  • The cephalothorax of spiders is a sclerotized body part that does not change after the final molt.
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