Pulmonary stretch receptors
Pulmonary stretch receptors are mechanoreceptors found in the lungs.
When the lung expands, the receptors initiate the Hering-Breuer reflex, which reduces the respiratory rate. This signal is transmitted by vagus nerve. Increased firing from the stretch receptors also increases production of pulmonary surfactant. Intercostal muscles and thoracic diaphragm receive impulses from the respiratory center, stretch receptors in the lungs send impulses to the respiratory center giving information about the state of the lungs.[1]
See also
- Stretch receptor
External links
- Pulmonary+stretch+receptors at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
Reference
- ^ Schelegle, Edward S.; Green, Jerry F. (2001-03-01). "An overview of the anatomy and physiology of slowly adapting pulmonary stretch receptors". Respiration Physiology. 125 (1): 17–31. doi:10.1016/S0034-5687(00)00202-4. ISSN 0034-5687.
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Respiratory physiology
- breath
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- obligate nasal breathing
- respiratory rate
- respirometer
- pulmonary surfactant
- compliance
- elastic recoil
- hysteresivity
- airway resistance
- bronchial
- mechanical ventilation
- pons
- medulla
- chemoreceptors
- pulmonary stretch receptors
- calculations
- respiratory minute volume
- FEV1/FVC ratio
- ventilation (V)
- Perfusion (Q)
- zones of the lung
- gas exchange
- pulmonary gas pressures
- alveolar gas equation
- alveolar–arterial gradient
- hemoglobin
- oxygen–hemoglobin dissociation curve (Oxygen saturation
- 2,3-BPG
- Bohr effect
- Haldane effect)
- carbonic anhydrase (chloride shift)
- oxyhemoglobin
- respiratory quotient
- arterial blood gas
- diffusion capacity (DLCO)
- high altitude
- oxygen toxicity
- hypoxia
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