EMPHYSEMA Meaning and
Definition
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Emphysema is a chronic and progressive lung condition characterized by the damage and irreversible destruction of the air sacs (alveoli) in the lungs. It is typically associated with long-term exposure to irritants, such as tobacco smoke and environmental pollutants.
In a healthy lung, the alveoli are elastic and expand and contract to facilitate the exchange of oxygen and carbon dioxide during the breathing process. However, in emphysema, the walls of the alveoli lose their elasticity due to damage, blocking the effortless exchange of gases. This results in a restricted ability to inhale and exhale effectively, leading to shortness of breath, coughing, and wheezing.
The primary cause of emphysema is chronic obstructive pulmonary disease (COPD), which is often linked with smoking. Other risk factors include air pollution, genetic factors, and exposure to occupational hazards like asbestos or coal dust.
Emphysema is an incurable condition, but various treatments can help manage the symptoms and slow down its progression. These treatments typically focus on relieving symptoms and improving overall lung function. Strategies may include lifestyle modifications like quitting smoking, physical activity, medications to open up the airways, oxygen therapy, and pulmonary rehabilitation.
Regular medical monitoring and adherence to treatment plans are crucial for individuals with emphysema to maintain the best possible quality of life and slow down the progression of the disease.
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1. The presence of air in the interstices of the connective tissue of a part. 2. Dilatation of the pulmonary air vesicles, usually through atrophy of the septa between the alveoli.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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In med., distension with air of a tissue, or of the air-cells of the lungs.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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Etymology of EMPHYSEMA
The word "emphysema" originated from the Greek word "emphysēma", which is a combination of "em-" (meaning "in") and "physa" (meaning "breath" or "blast"). The term was first used in the medical context by Aretaeus of Cappadocia, a physician in ancient Greece, to describe a respiratory condition characterized by the presence of "bubbles" or "swellings" in the lungs. The Latin term "emphysema" was derived from the Greek and has been used to describe the disease since the 18th century.
Similar spelling words for EMPHYSEMA
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