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[em-fuh-see-muh, -zee-] /ˌɛm fəˈsi mə, -ˈzi-/

noun, Pathology.
a chronic, irreversible disease of the lungs characterized by abnormal enlargement of air spaces in the lungs accompanied by destruction of the tissue lining the walls of the air spaces.
any abnormal distention of an organ, or part of the body, with air or other gas.
noun (pathol)
Also called pulmonary emphysema. a condition in which the air sacs of the lungs are grossly enlarged, causing breathlessness and wheezing
the abnormal presence of air in a tissue or part

1660s, from Modern Latin, from Greek emphysema “swelling, inflation,” from emphysan “inflate,” from en “in” (see en- (2)) + physan “to blow,” from physa “breath, blast” (see pustule).

emphysema em·phy·se·ma (ěm’fĭ-sē’mə, -zē’-)

em’phy·sem’a·tous (-sěm’ə-təs, -sē’mə-, -zěm’ə-, -zē’mə-) adj.
em’phy·se’mic adj. & n.
A chronic lung disease characterized by progressive, irreversible expansion of the alveoli with eventual destruction of alveolar tissue, causing obstruction to airflow. Patients with emphysema often have labored breathing, wheezing, chronic fatigue, and increased susceptibility to infection, and may require oxygen therapy. Long-term smoking is a common cause of emphysema.
emphysema [(em-fuh-see-muh, em-fuh-zee-muh)]

A chronic disease in which the tiny air sacs in the lungs become stretched and enlarged, so that they are less able to supply oxygen to the blood. Emphysema causes shortness of breath and painful coughing and can increase the likelihood of developing heart disease. Emphysema occurs most frequently in older men who have been heavy smokers.


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