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当人体的呼吸道有疾患时,痰、咳、喘的症状既可单独出现,也往往同时存在,且可互相诱发或加重。例如,痰液可以刺澈呼吸道黏膜引起咳嗽;痰多阻塞细支气管时,不仅引起气喘,还能引起继发感染,加重咳嗽和气喘。1、痰液是怎样形成的人体的气管和支气管的黏液腺及一种杯状细胞经常分泌一些液体,借以湿润黏膜和黏附空气中的灰尘、微生物。正常人每天分泌约100毫升。气管黏膜上皮细胞的纤毛不断地向外扇动,将气管的分泌液
When the body’s respiratory tract disorders, sputum, cough, asthma symptoms can occur alone, often simultaneously, and can be induced or aggravate each other. For example, sputum can chew Che sal respiratory mucosa caused by cough; sputum blocking the bronchioles, not only cause asthma, but also cause secondary infection, increased cough and asthma. 1, sputum is how the formation of the human trachea and bronchial mucus gland and a goblet cell often secrete some liquid, in order to moisten the mucous membranes and adhesion to the air of dust, microorganisms. Normal daily secretion of about 100 ml. Tracheal epithelial cells of the cilia continue to outward fan, the tracheal secretion