Emphysema, also called pulmonary emphysema, condition characterized by widespread destruction of the gas-exchanging tissues of the lungs, resulting in abnormally large air spaces. In addition, loss of elastic tissue from the walls of the destroyed alveoli causes the lungs to expand within the chest cage.
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Emphysema, also called pulmonary emphysema, condition characterized by widespread destruction of the gas-exchanging tissues of the lungs, resulting in abnormally large air spaces. In addition, loss of elastic tissue from the walls of the destroyed alveoli causes the lungs to expand within the chest cage.