Figure 2From: Role of TNFα in pulmonary pathophysiologySchematic diagram of the effects of TNFα on various pulmonary tissues. Asthma is mainly a disease of bronchioles; Chronic Bronchitis (CB) and chronic obstructive pulmonary disease (COPD) are the disease of bronchioles and alveoli. In acute lung injury (ALI) and acute respiratory distress syndrome all the vital organs of the body namely lung, heart, kidney, liver etc are affected.Back to article page