| debt | A deficit; a liability. Origin: L. Debitum, debt (05 Mar 2000) |
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| alactic oxygen debt | That part of the oxygen debt that is not lactacid oxygen debt; during recovery, stores of ATP and creatine phosphate must be replenished by oxidative metabolism, and a small amount of oxygen is also needed to restore the normal oxyhemoglobin levels throughout the circulating blood. (05 Mar 2000) |
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| oxygen debt | The extra oxygen (compared with its usual oxygen intake at rest) an organismconsumes after a period of strenouousphysical activity. (09 Oct 1997) |
| lactacid oxygen debt | That part of an oxygen debt represented by the production of lactic acid by anaerobic glycolysis during exercise and, therefore, by the need to eliminate it by oxidative metabolism during recovery. (05 Mar 2000) |