4.Whatever the irritants are, their effect is to stimulate hypertrophy and hyperplasia of the mucinous glands in the main bronchi, as well as the goblet cells in the smaller airways - the bronchioles, which increases mucus production in both locations.
无论哪种刺激,都会激发主支气管黏液腺以及小气道杯状细胞的肥大增生,使得肺内各个部位黏液产生增加。