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Medical Definition of Ventilation/perfusion ratio
1. The ratio of alveolar ventilation to simultaneous alveolar capillary blood flow in any part of the lung; because both ventilation and perfusion are expressed per unit volume of tissue and per unit time, which cancel, the units become liters of gas per liter of blood. (05 Mar 2000)
Lexicographical Neighbors of Ventilation/perfusion Ratio
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