- Doug·las bag 'dəg-ləs-.bag n an inflatable bag used to collect expired air for the determination of oxygen consumption and basal metabolic rateDouglas Claude Gordon (1882-1963)British physiologist. From his laboratory at Oxford, Douglas contributed significantly to the knowledge of human respiratory function. In 1911 he introduced the large airtight bag known as the Douglas bag for use in collecting expired respiratory gases.
* * *a receptacle for the collection of exhaled air, permitting measurement of respiratory gases.
Medical dictionary. 2011.
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douglas bag — ˈdəgləs noun Usage: usually capitalized D Etymology: after C.G. Douglas died 1963 English physiologist : an inflatable bag used to collect expired air for the determination of oxygen consumption and basal metabolic rate * * * an airtight bag used … Useful english dictionary
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