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喉咳嗽反射(laryngeal cough reflex,LCR)和喉咳嗽呼气反射(laryngeal cough expiratory reflex,LCER)是脑干调节的不自主反射,通过呼气阻止有害物质吸入肺来保护上呼吸道。酒石酸介导LCER由神经调节支配,先是腹肌和肋肌收缩产生呼气排出废气,继而吸气和呼气交替产生刺激咳嗽。
Laryngeal cough reflex (LCR) and laryngeal cough expiratory reflex (LCER) are involuntary reflexes of brainstem conditioning that protect the upper respiratory tract by exhaling air to prevent the inhalation of harmful substances into the lungs. Tartrate-mediated LCER is governed by neuromodulation. The first is the contraction of the abdominal muscles and the ribs to produce expiratory exhaust gas, which in turn produces inhalation and exhalation to stimulate the cough.