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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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.emphysematous - relating to or resembling or being emphysema


a. enfisematoso-a, rel. al enfisema.
References in periodicals archive ?
For the other infectious diseases, malignant edema was recorded - 2 cases, salmonellosis - 3 cases, pasteurellosis (cattle) - 13 cases, emphysematous carbuncle (EMCAR) - 7 cases, American bee feces - 1 case, enterotoxemia of sheep - 43 cases.
8) While CT is far inferior for this diagnosis compared to ultrasound, its value comes in cases of atypical presentations such as acalculous, gangrenous, emphysematous or perforated cholecystitis where it is far superior.
Untreated pyelonephritis can cause severe damage to the kidney resulting in emphysematous pyelonephritis.
Marked local inflammation (gangrenous cholecystitis, pericholecystic abscess, hepatic abscess, biliary peritonitis, emphysematous cholecystitis)
5 cases, 3 males and 2 females had shown extensive emphysematous changes and 1 case, a 38-year-old male had typical histological features of ARDS.
Introduction: Emphysematous cystitis (EC) is a rare type of urinary tract infection characterized by the presence of gas in the bladder lumen.
Bacterial nephritis has a wide spectrum ranging from acute pyelonephritis (APN) to renal abscess and emphysematous pyelonephritis (EPN) (13).
Emphysematous pyelonephritis (EPN) is a rare infectious disease, of which risk factors are poorly controlled diabetes mellitus, immunosuppression, and urinary tract obstruction.
Gallbladder torsion-induced emphysematous cholecystitis in a 16-year-old boy.
This was followed by work involving microscopic 3-dimensional reconstruction, demonstrating that centrilobular emphysematous spaces were based on architectural alterations, inflammation, and destruction of the respiratory bronchi oles.
Erect chest X-ray showed multiple opacities in the bilateral lung field with emphysematous changes (figure 1).
Blood vessel hypertrophy, alveolar congestion, and emphysematous changes were seen in rats after plume created from both electrocautery and Nd:Yag ablation of porcine skin.