noun Etymology: New Latin, from Greek emphysēma, from emphysan to inflate, from em- 2en- + physan to blow, from physa breath — more at pustule Date: 1661 a condition characterized by air-filled expansions of body tissues; specifically a condition of the lung marked by abnormal enlargement of the alveoli with loss of pulmonary elasticity that is characterized especially by shortness of breath and may lead to impairment of heart action • emphysematous adjectiveemphysemic adjective

New Collegiate Dictionary. 2001.

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  • Emphysema — Em phy*se ma, n. [NL., from Gr. ? inflation, fr. ? to inflate; ? in + ? to blow: cf. F. emphys[ e]me.] (Med.) A swelling produced by gas or air diffused in the cellular tissue. [1913 Webster] {Emphysema of the lungs}, {Pulmonary emphysema} (Med.) …   The Collaborative International Dictionary of English

  • emphysema — 1660s, from Mod.L., from Gk. emphysema swelling, inflation, from emphysan inflate, from en in (see EN (Cf. en ) (2)) + physan to blow, from physa breath, blast (see PUSTULE (Cf. pustule)) …   Etymology dictionary

  • emphysema — (also pulmonary emphysema) ► NOUN Medicine ▪ a condition in which the air sacs of the lungs are damaged and enlarged, causing breathlessness. ORIGIN Greek emphus ma, from emphusan puff up …   English terms dictionary

  • emphysema — [em΄fə sē′mə; ] also [ em΄fəzē′mə] n. [ModL < Gr emphysēma, inflation < emphysaein, to inflate, blow in < en , in + physaein, to blow < IE * phus < base * pu , * phu , echoic of blowing with puffed cheeks] 1. an abnormal swelling… …   English World dictionary

  • Emphysema — Emphysema, griech., Geschwulst, durch Eindringen der Luft in die Gewebe des Körpers hervorgebracht; E. der Lungen, übermäßige Ausdehnung derselben, indem sie nicht hinreichend zusammengezogen werden können, wodurch das Ausathmen erschwert wird;… …   Herders Conversations-Lexikon

  • Emphysema — For the condition describing air trapped under the skin, see subcutaneous emphysema. Emphysema Classification and external resources A lateral chest x ray of a person with emphysema. Note the barrel chest and flat diaphragm …   Wikipedia

  • emphysema — emphysematous /em feuh sem euh teuhs, see meuh , zem euh , zee meuh /, adj. emphysemic, adj. /em feuh see meuh, zee /, n. Pathol. 1. a chronic, irreversible disease of the lungs characterized by abnormal enlargement of air spaces in the lungs… …   Universalium

  • Emphysema — 1) A lung condition featuring an abnormal accumulation of air in the lung s many tiny air sacs, a tissue called alveoli. As air continues to collect in these sacs, they become enlarged, and may break, or be damaged and form scar tissue. Emphysema …   Medical dictionary

  • emphysema — n. air in the tissues. In pulmonary emphysema the air sacs (alveoli) of the lungs are enlarged and damaged, which reduces the surface area for the exchange of oxygen and carbon dioxide. Severe emphysema causes breathlessness, which is made worse… …   The new mediacal dictionary

  • emphysema — Pulmonary emphysema is a disorder affecting the alveoli (tiny air sacs) of the lungs. The transfer of oxygen and carbon dioxide in the lungs takes place in the walls of the alveoli. In emphysema, the alveoli become abnormally inflated, damaging… …   English dictionary of cancer terms

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