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Control of breathing:rhythm generation and chemoreception Aiko TANAKA 1 , Yuji FUJINO 1 1Department of Anesthesiology and Intensive Care Medicine Graduate School of Medicine, Osaka University pp.271-284
Published Date 2018/4/1
DOI https://doi.org/10.11477/mf.3102200502
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Breathing is driven by neural activity generated within the central pattern generator (CPG), a neural network located in the medulla oblongata. The respiratory rhythm generated in the CPG provides motor output through premotor efferent networks in the brainstem and spinal cord to promote pulmonary gas exchange. The physiological mechanisms underlying the generation and control of the respiratory rhythm were investigated for decades and new knowledge recently obtained. The process must respond to chemosensory modulation to maintain oxygen (O2) and carbon dioxide (CO2) homeostasis in the blood and tissues. Peripheral and central chemoreceptors monitor the arterial partial pressures of O2 and CO2. Their stimulation activates respiratory and autonomic reflex during conditions of hypoxia and hypercapnia. In this review, we describe the neural interactions of respiratory rhythm generation in light of recent findings.


Copyright © 2018, MEDICAL SCIENCES INTERNATIONAL, LTD. All rights reserved.

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電子版ISSN 2186-7852 印刷版ISSN 1883-4833 メディカル・サイエンス・インターナショナル

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