Biologically Active Substance
carboxyhemoglobin

car·box·y·he·mo·glo·bin
Subclass of:
Hemoglobin
Definitions related to carboxyhemoglobin:
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Hemoglobin in which the sites usually bound to oxygen are bound to carbon monoxide.CRISP ThesaurusNational Institutes of Health, 2006
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Hemoglobin where the heme group has formed a stable complex with carbon monoxide (CO). This complex is produced after CO has been inhaled or as a byproduct of hemoglobin, protoporphyrin or dichloromethane catabolism. The heme-CO complex is approximately 200 times more stable than heme-oxygen complexes. Thus, high levels of carboxyhemoglobin in the circulation can lead to tissue hypoxia and death.NCI ThesaurusU.S. National Cancer Institute, 2021
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Carboxyhemoglobin (COHb) is a stable complex of carbon monoxide that forms in red blood cells when carbon monoxide is inhaled. COHb should be measured if carbon monoxide or methylene chloride poisoning is suspected.WebMD, 2019
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