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prosoma

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

noun

Zoology.
  • prosomas,
    plural
  • prosomata
    plural
  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

Derived Forms

Inflected Forms

Nouns


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.

See Examples For:

The thin membrane of the prosoma is studded with some fine, pointed hairs, about 3/400ths in length, and articulated on little circular discs.

From A Monograph on the Sub-class Cirripedia With Figures of all the Species. by Charles Darwin

Subsequently to the floating off of the entosternite the approximation of the nerve cords took place in the prosoma, and thus they were able to take up a position below the entosternite.

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

Cirri.—The first pair is seated rather far from the second pair, and the prosoma being little developed, the shape of the body nearly resembles that of S. vulgare.

From A Monograph on the Sub-class Cirripedia With Figures of all the Species. by Charles Darwin

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

In one specimen from the Antarctic expedition, there were only here and there a single shield on the segments of the posterior rami, and no plate on the prosoma.

From A Monograph on the Sub-class Cirripedia With Figures of all the Species. by Charles Darwin

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