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]

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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[1] 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.

[1]

v t e Respiratory physiology
Respiration	breath inhalation exhalation obligate nasal breathing respiratory rate respirometer pulmonary surfactant compliance elastic recoil hysteresivity airway resistance bronchial hyperresponsiveness constriction dilatation mechanical ventilation
Control	pons pneumotaxic center apneustic center medulla dorsal respiratory group ventral respiratory group chemoreceptors central peripheral pulmonary stretch receptors Hering–Breuer reflex
Lung volumes	VC FRC Vt dead space CC PEF calculations respiratory minute volume FEV1/FVC ratio Lung function tests spirometry body plethysmography peak flow meter nitrogen washout
Circulation	pulmonary circulation hypoxic pulmonary vasoconstriction pulmonary shunt
Interactions	ventilation (V) Perfusion (Q) Ventilation/perfusion ratio V/Q scan 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)
Insufficiency	high altitude death zone oxygen toxicity hypoxia

See also

External links

Reference