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prosoma

American  
[proh-soh-muh] / proʊˈsoʊ mə /

noun

Zoology.

plural

prosomas, prosomata
  1. an anterior body region, especially the arthropod cephalothorax.


prosoma British  
/ prəʊˈsəʊmə /

noun

  1. zoology the head and thorax of an arachnid

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • prosomal adjective

Etymology

Origin of prosoma

From New Latin, dating back to 1870–75; pro- 2, -soma

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Scientists can effectively operate the spider like an arcade claw machine Armed with this knowledge, the team from Rice University discovered they could artificially operate this hydraulic system simply by sticking a needle into a dead spider’s prosoma, pushing air in and out to open and close the spider’s legs like an arcade claw machine.

From The Verge

The five pairs of appendages of the post-oral somites of the head or prosoma thus constituted all primitively carry gnathobasic projections on their coxal joints, which act as hemignaths: in the more specialized forms the mandibular gnathobases cease to develop.

From Project Gutenberg

I to VI, The six appendage-bearing somites of the prosoma.

From Project Gutenberg

IXstg to XIIstg, the four pulmonary somites. met, The pentagonal metasternite of the prosoma behind all the coxae. x, The sternum of the pectiniferous somite. y, The broad first somite of the metasoma.

From Project Gutenberg

The present writer is of opinion that it will be found most convenient to treat this evanescent somite as something special, and not to attempt to reckon it to either the prosoma or the mesosoma.

From Project Gutenberg