Control of breathing in anuran amphibians

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dc.contributor.authorGargaglioni, Luciane H.
dc.contributor.authorMilsom, William K.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniv British Columbia
dc.date.accessioned2014-05-20T15:23:16Z
dc.date.available2014-05-20T15:23:16Z
dc.date.issued2007-07-01
dc.description.abstractThe primary role of the respiratory system is to ensure adequate tissue oxygenation, eliminate carbon dioxide and help to regulate acid-base status. To maintain this homeostasis, amphibians possess an array of receptors located at peripheral and central chemoreceptive sites that sense respiration-related variables in both internal and external environments. As in mammals, input from these receptors is integrated at central rhythmogenic and pattern-forming elements in the medulla in a manner that meets the demands determined by the environment within the constraints of the behavior and breathing pattern of the animal. Also as in mammals, while outputs from areas in the midbrain may modulate respiration directly, they do not play a significant role in the production of the normal respiratory rhythm. However, despite these similarities, the breathing patterns of the two classes are different: mammals maintain homeostasis of arterial blood gases through rhythmic and continuous breathing, whereas amphibians display an intermittent pattern of aerial respiration. While the latter is also often rhythmic, it allows a degree of fluctuation in key respiratory variables that has led some to suggest that control is not as tight in these animals. In this review we will focus specifically on recent advances in studies of the control of ventilation in anuran amphibians. This is the group of amphibians that has attracted the most recent attention from respiratory physiologists. (c) 2006 Elsevier B.V. All rights reserved.en
dc.description.affiliationSão Paulo State Univ, FCAV, Dept Anim Morphol & Physiol, Jaboticabal, SP, Brazil
dc.description.affiliationUniv British Columbia, Dept Zool, Vancouver, BC V5Z 1M9, Canada
dc.description.affiliationUnespSão Paulo State Univ, FCAV, Dept Anim Morphol & Physiol, Jaboticabal, SP, Brazil
dc.format.extent665-684
dc.identifierhttp://dx.doi.org/10.1016/j.cbpa.2006.06.040
dc.identifier.citationComparative Biochemistry and Physiology A-molecular & Integrative Physiology. New York: Elsevier B.V., v. 147, n. 3, p. 665-684, 2007.
dc.identifier.doi10.1016/j.cbpa.2006.06.040
dc.identifier.issn1095-6433
dc.identifier.urihttp://hdl.handle.net/11449/34098
dc.identifier.wosWOS:000247360500010
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofComparative Biochemistry and Physiology A-molecular & Integrative Physiology
dc.relation.ispartofjcr2.258
dc.relation.ispartofsjr0,836
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectrespirationpt
dc.subjectanuranpt
dc.subjectHypoxiapt
dc.subjecthypercarbiapt
dc.subjecttadpolept
dc.subjectToadpt
dc.subjectfrogpt
dc.titleControl of breathing in anuran amphibiansen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt

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Artigos - Morfologia e Fisiologia Animal - FCAV