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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.

C, Ventral surface of the prosoma and opisthosoma; a, tracheal stigma; b, last somite.

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

Sternal plate of prosoma usually short and wide, rarely longer than broad; with a larger or smaller prosternal element underlying the mouth.

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

Respiratory organs tracheal, opening by a pair of spiracles in the prosoma above the base of the fifth appendage on each side.

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

The presence of hairs on the outer membrane of the prosoma is a peculiarity confined to this genus amongst the Lepadid�, though observed in the sessile genus, Chthamalus.

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

Karschii, anterior aspect of the prosoma with the “hood” removed.

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

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