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Control of respiration in fish, amphibians and reptiles BJMBR
Taylor,E.W.; Leite,C.A.C.; McKenzie,D.J.; Wang,T..
Fish and amphibians utilise a suction/force pump to ventilate gills or lungs, with the respiratory muscles innervated by cranial nerves, while reptiles have a thoracic, aspiratory pump innervated by spinal nerves. However, fish can recruit a hypobranchial pump for active jaw occlusion during hypoxia, using feeding muscles innervated by anterior spinal nerves. This same pump is used to ventilate the air-breathing organ in air-breathing fishes. Some reptiles retain a buccal force pump for use during hypoxia or exercise. All vertebrates have respiratory rhythm generators (RRG) located in the brainstem. In cyclostomes and possibly jawed fishes, this may comprise elements of the trigeminal nucleus, though in the latter group RRG neurons have been located in the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Vertebrates; Control of respiration; Respiratory rhythm generation; Water and air breathing; Chemoreceptors; Mechanoreceptors.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2010000500001
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