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oxygen debt

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noun Physiology.
  1. the body's oxygen deficiency resulting from strenuous physical activity.
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Origin of oxygen debt

First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

oxygen debt in Medicine

oxygen debt

n.
  1. The amount of extra oxygen required by muscle tissue to oxidize lactic acid and replenish depleted ATP and phosphocreatine following vigorous exercise.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.