Posterior Respiratory Apparatus of Inia geoffrensis and Sotalia fluviatilis : Structure and Ultrastructure

SUMMARY: This study aimed to characterize the structures of the posterior respiratory system of two species of river dolphins: Inia geoffrensis and Sotalia fluviatilis. The respiratory tract of both species was evaluated using macro and microscopic techniques. Four macroscopic anatomical structures...

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Autores principales:	Santos Júnior,Luzivaldo Castro dos, Marmontel,Miriam, Santos,Francisco Glauco de Araújo, Rici,Rose Eli Grassi, Miglino,Maria Angélica, Carvalho,Yuri Karaccas de
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2017
Materias:	Amazon river dolphin Tucuxi Anatomy
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000401582
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spelling	oai:scielo:S0717-950220170004015822019-09-16Posterior Respiratory Apparatus of Inia geoffrensis and Sotalia fluviatilis : Structure and UltrastructureSantos Júnior,Luzivaldo Castro dosMarmontel,MiriamSantos,Francisco Glauco de AraújoRici,Rose Eli GrassiMiglino,Maria AngélicaCarvalho,Yuri Karaccas de Amazon river dolphin Tucuxi Anatomy SUMMARY: This study aimed to characterize the structures of the posterior respiratory system of two species of river dolphins: Inia geoffrensis and Sotalia fluviatilis. The respiratory tract of both species was evaluated using macro and microscopic techniques. Four macroscopic anatomical structures were identified: Trachea, main bronchus, tracheal bronchus and lung. The presence of the exuberant tracheal bronchus suggested ease of gas exchanges. Histological analysis revealed the presence of alveolar ducts and myoelastic sphincter in these Amazonian cetaceans. The posterior respiratory portion of the Amazonian dolphins presents similarity with other odontocetes and the knowledge of this structure can also help contribute to the understanding of the physiology of diving and how these species are adapted to their habitat.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.35 n.4 20172017-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000401582en10.4067/S0717-95022017000401582
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Amazon river dolphin Tucuxi Anatomy
spellingShingle	Amazon river dolphin Tucuxi Anatomy Santos Júnior,Luzivaldo Castro dos Marmontel,Miriam Santos,Francisco Glauco de Araújo Rici,Rose Eli Grassi Miglino,Maria Angélica Carvalho,Yuri Karaccas de Posterior Respiratory Apparatus of Inia geoffrensis and Sotalia fluviatilis : Structure and Ultrastructure
description	SUMMARY: This study aimed to characterize the structures of the posterior respiratory system of two species of river dolphins: Inia geoffrensis and Sotalia fluviatilis. The respiratory tract of both species was evaluated using macro and microscopic techniques. Four macroscopic anatomical structures were identified: Trachea, main bronchus, tracheal bronchus and lung. The presence of the exuberant tracheal bronchus suggested ease of gas exchanges. Histological analysis revealed the presence of alveolar ducts and myoelastic sphincter in these Amazonian cetaceans. The posterior respiratory portion of the Amazonian dolphins presents similarity with other odontocetes and the knowledge of this structure can also help contribute to the understanding of the physiology of diving and how these species are adapted to their habitat.
author	Santos Júnior,Luzivaldo Castro dos Marmontel,Miriam Santos,Francisco Glauco de Araújo Rici,Rose Eli Grassi Miglino,Maria Angélica Carvalho,Yuri Karaccas de
author_facet	Santos Júnior,Luzivaldo Castro dos Marmontel,Miriam Santos,Francisco Glauco de Araújo Rici,Rose Eli Grassi Miglino,Maria Angélica Carvalho,Yuri Karaccas de
author_sort	Santos Júnior,Luzivaldo Castro dos
title	Posterior Respiratory Apparatus of Inia geoffrensis and Sotalia fluviatilis : Structure and Ultrastructure
title_short	Posterior Respiratory Apparatus of Inia geoffrensis and Sotalia fluviatilis : Structure and Ultrastructure
title_full	Posterior Respiratory Apparatus of Inia geoffrensis and Sotalia fluviatilis : Structure and Ultrastructure
title_fullStr	Posterior Respiratory Apparatus of Inia geoffrensis and Sotalia fluviatilis : Structure and Ultrastructure
title_full_unstemmed	Posterior Respiratory Apparatus of Inia geoffrensis and Sotalia fluviatilis : Structure and Ultrastructure
title_sort	posterior respiratory apparatus of inia geoffrensis and sotalia fluviatilis : structure and ultrastructure
publisher	Sociedad Chilena de Anatomía
publishDate	2017
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000401582
work_keys_str_mv	AT santosjuniorluzivaldocastrodos posteriorrespiratoryapparatusofiniageoffrensisandsotaliafluviatilisstructureandultrastructure AT marmontelmiriam posteriorrespiratoryapparatusofiniageoffrensisandsotaliafluviatilisstructureandultrastructure AT santosfranciscoglaucodearaujo posteriorrespiratoryapparatusofiniageoffrensisandsotaliafluviatilisstructureandultrastructure AT riciroseeligrassi posteriorrespiratoryapparatusofiniageoffrensisandsotaliafluviatilisstructureandultrastructure AT miglinomariaangelica posteriorrespiratoryapparatusofiniageoffrensisandsotaliafluviatilisstructureandultrastructure AT carvalhoyurikaraccasde posteriorrespiratoryapparatusofiniageoffrensisandsotaliafluviatilisstructureandultrastructure
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Posterior Respiratory Apparatus of Inia geoffrensis and Sotalia fluviatilis : Structure and Ultrastructure

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