Bronchial Asthma: Causes
Pathogenesis (development of disease) Asthma is mainly a disease of the bronchi – the airways that connect the trachea to the lungs. The bronchi are surrounded by smooth muscle tissue. Furthermore, the bronchial walls contain mucus-producing glands and cells of the immune system such as mast cells, lymphocytes and eosinophilic granulocytes. When these are activated, … Bronchial Asthma: Causes