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Douglas bag

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noun
  1. an airtight bag used to collect expired air for analysis of oxygen consumption.
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Origin of Douglas bag

1960–65; named after Claude G. Douglas (1882–1963), British physiologist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

douglas bag in Medicine

Douglas bag

(dŭgləs)
n.
  1. A receptacle for collecting expired air to determine oxygen consumption in humans under various work conditions.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.