carboxyhemoglobin

carboxyhemoglobin
A fairly stable union of carbon monoxide with hemoglobin. The formation of c. prevents the normal transfer of carbon dioxide and oxygen during the circulation of blood; thus, increasing levels of c. result in various degrees of asphyxiation, including death. SYN: carbon monoxide hemoglobin, carbonmonoxy myoglobin.

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car·boxy·he·mo·glo·bin or chiefly Brit car·boxy·hae·mo·glo·bin (.)kär-.bäk-sē-'hē-mə-.glō-bən n a very stable combination of hemoglobin and carbon monoxide formed in the blood when carbon monoxide is inhaled with resulting loss of ability of the blood to combine with oxygen

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car·boxy·he·mo·glo·bin (kahr-bok″se-heґmo-glo″bin) hemoglobin in which the sites usually bound to oxygen are bound to carbon monoxide, which has an affinity for hemoglobin over 200 times that of oxygen. See carbon monoxide poisoning, under poisoning.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Carboxyhemoglobin — (British English: Carboxyhaemoglobin) (COHb) is a stable complex of carbon monoxide and hemoglobin that forms in red blood cells when carbon monoxide is inhaled, and hinders delivery of oxygen to the body. Tobacco smoking (through carbon monoxide …   Wikipedia

  • carboxyhemoglobin — [kär bäks΄ə hē′mō glō΄bin, kär bäks΄əhem′ōglō΄bin] n. a compound formed in the blood when carbon monoxide occupies the positions on the hemoglobin molecule normally taken by oxygen, resulting in cellular oxygen starvation * * *… …   Universalium

  • carboxyhemoglobin — [kär bäks΄ə hē′mō glō΄bin, kär bäks΄əhem′ōglō΄bin] n. a compound formed in the blood when carbon monoxide occupies the positions on the hemoglobin molecule normally taken by oxygen, resulting in cellular oxygen starvation …   English World dictionary

  • carboxyhemoglobin — noun The stable complex of carbon monoxide with hemoglobin; it prevents the normal complexing with oxygen and thus leads to anoxia …   Wiktionary

  • carboxyhemoglobin — car·boxy·he·mo·glo·bin …   English syllables

  • carboxyhemoglobin — (ˈ)kär|bäksē|h noun ( s) Etymology: International Scientific Vocabulary carboxy + hemoglobin : carbonylhemoglobin …   Useful english dictionary

  • COHb — carboxyhemoglobin …   Medical dictionary

  • CoHb — carboxyhemoglobin …   Medical dictionary

  • CoHgb — carboxyhemoglobin …   Medical dictionary

  • COHb — • carboxyhemoglobin …   Dictionary of medical acronyms & abbreviations

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