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Definition of Alveolar dead space
1. Noun. (context: physiology) That volume of air in the ''alveoli'' of the lung which does not partake in gas exchange. ¹
¹ Source: wiktionary.com
Medical Definition of Alveolar dead space
1. The difference between physiologic dead space and anatomical dead space; it represents that part of the physiologic dead space resulting from ventilation of relatively underperfused or nonperfused alveoli; it differs specifically in being placed so as to fill and empty in parallel with functional alveoli, rather than being interposed in the conducting tubes between functional alveoli and the external environment. (05 Mar 2000)