Thick Bronchial Secretions
Thick bronchial secretions refer to abnormally viscous mucus accumulating within the bronchial tubes. These secretions are typically composed of water, glycoproteins, lipids, and immune cells. Under normal conditions, mucus traps inhaled particles and pathogens, and cilia on the bronchial lining help expel it. However, when mucus becomes thick and sticky, it hinders clearance, leading to