《英文msh词典》Pulmonary Emphysemas
[入口词] Pulmonary Emphysemas
[主题词] Pulmonary Emphysema
[英文释义] A subcategory of CHRONIC OBSTRUCTIVE PULMONARY DISEASE. The disease is characterized by anatomic alterations of the lungs,such as the enlargement of airspaces and destruction of alveolar walls.