air sac
air sac 1. Any one of a series of thin-walled sacs in birds that are connected to the lungs and increase the efficiency of ventilation. Some of the air sacs penetrate the internal cavities of bones.
2. A structural extension to the
trachea in insects, which increases the surface area available for the exchange of oxygen and carbon dioxide in respiration.
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 "Reforma (México D.F., México)")
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Mirador.(Primera)
Newspaper article from: Reforma (México D.F., México); 7/4/2003; 408 words
; ...Aguirre Me habra gustado conocer a Nicholas Philip Trist, poltico y diplomtico norteamericano...esa guerra expansionista, y Trist lo supo. Escribi estas palabras...su pas y el nuestro ha tenido Nicholas Philip Trist, dice que fue un defensor de...
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So Far from God: The U.S. War with Mexico, 1846-1848.
Magazine article from: The New Leader; 4/3/1989; ; 700+ words
; ...recalled his peace negotiator, Nicholas Trist, before the treaty of Guadalupe Hidalgo could be signed; but Trist, feigning a communications gap...sides, only William T Sherman and Philip H. Sheridan were not participants...
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Septiembre en la historia.(eventos históricos ocurridos en el mes de septiembre)
Magazine article from: Contenido; 9/1/2006; ; 700+ words
; ...por concluido el armisticio entre ambas naciones. Nicholas P. Trist, enviado especial del presidente estadunidense James...Mijares y Jorge Campuzano. Tras la inauguracin, sir Philip Hendy, entonces director de la National Gallery de...
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Nicholas Philip Trist
Encyclopedia entry from: Encyclopedia of World Biography
Nicholas Philip Trist Nicholas Philip Trist (1800-1874), an American lawyer and diplomat, was best known as the negotiator of the Treaty of Guadalupe Hidalgo, which ended the war with Mexico in 1848. Nicholas Trist was born in Charlottesville...
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