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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

Etymology

Origin of prosoma

From New Latin, dating back to 1870–75; see origin at 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.

Sternal plate of prosoma long and narrow, with a distinct prosternal element underlying the mouth.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" by Various

It consists of a single layer of cells, continuous with those which secrete the general chitinous covering of the prosoma.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" by Various

I to VI, Rudiments of the six limbs of the prosoma.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" by Various

Hemictenodactyli.—Dorsal plate of prosoma scarcely narrowed in front; the appendages of the 1st pair large, not much narrower, taken together, than the posterior border of the carapace.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" by Various

I to VI, Appendages of the prosoma cut off at the base. o, Ocular tubercle. prae-gen, The prae-genital somite.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" by Various

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