A group of disorders affecting the bronchi and the lung parenchyma. It is characterized by chronic and irreversible obstruction of the airflow. It includes chronic bronchitis and pulmonary emphysema.|A disease of chronic diffuse irreversible airflow obstruction. Subcategories of COPD include CHRONIC BRONCHITIS and PULMONARY EMPHYSEMA.|A chronic and progressive lung disorder characterized by the loss of elasticity of the bronchial tree and the air sacs, destruction of the air sacs wall, thickening of the bronchial wall, and mucous accumulation in the bronchial tree. The pathologic changes result in the disruption of the air flow in the bronchial airways. Signs and symptoms include shortness of breath, wheezing, productive cough, and chest tightness. The two main types of chronic obstructive pulmonary disease are chronic obstructive bronchitis and emphysema. (Experimental Factor Ontology, EFO_0000341)
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9 genes associated with the disease copd in GWAS and other genetic association datasets from the GAD Gene-Disease Associations dataset.
