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top: normal bronchiole and alveoli
bottom: diseased bronchiole with mucus, enlarged air sacs in the alveoli, and fewer capillaries


 (ĕm′fĭ-sē′mə, -zē′-)
1. A pathological condition of the lungs marked by an abnormal increase in the size of the air spaces, resulting in labored breathing and an increased susceptibility to infection. It can be caused by irreversible expansion of the alveoli or by the destruction of alveolar walls.
2. An abnormal distension of body tissues caused by retention of air.

[Greek emphūsēma, inflation, from emphūsān, to blow in : en-, in; see en-2 + phūsān, to blow (from phūsa, bellows, bladder).]

em′phy·sem′a·tous (-sĕm′ə-təs, -sē′mə-, -zĕm′ə-, -zē′mə-) adj.
em′phy·se′mic adj. & n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.emphysematous - relating to or resembling or being emphysema
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


a. enfisematoso-a, rel. al enfisema.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
Of the 50 patients, only one case presented with features of Emphysematous cholecystitis.
Emphysematous cystitis (EC) is an infectious disease characterized by gas formation in the urinary tract and wall of the bladder.
We determined that these histopathologic changes were significantly reduced in the groups given Omega 3 and Vitamin D, that the pulmonary volume and the number of developed alveoli were similar to the control group, that emphysematous vacuoles, fibrosis has been regressed (p<0.001).
It predisposes some serious complications with other diseases such as xanthogranulomatous pyelonephritis, perinephric abscess, emphysematous, renal abscess and UTI.3,4 Delayed diagnosis can be seen due to the atypical symptoms.5
Due to intense exudate accumulation, congestive atelectasis with different intensities, enlargement of some alveoli in emphysematous fashion and even destruction of morphological structure due to rupture of alveolar walls were observed (Figure 3B-3D).
Aerosol steroids are given to emphysematous patients with asthma or bronchitis.
Emphysematous pyelonephritis is a necrotizing form of bacterial nephritis with gas formation around the kidneys.
Computed tomography scans of the chest [Figure 1]b and [Figure 1]c disclosed a huge mass over the left lower thorax and upper abdomen with compression of the heart and shift of the esophagus and descending aorta to midline and diffuse emphysematous change in the rest of the lungs.
(33) It may occur after pneumothorax, in which case it is often accompanied by emphysematous changes.
The pioneers of LC considered emphysematous cholecystitis as contraindication for LC due to life threatening peri-operative complications, surgical technical difficulties and higher conversion rates.