Carbohemoglobin

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Carbohemoglobin

 

HbCO2, hemoglobin (Hb) compounded with carbon dioxide (C02).

The bond between hemoglobin and carbon dioxide is easily formed and easily broken. The CO2 that evolves in the course of the metabolic activities of tissues diffuses into the capillaries, where part of it combines with Hb (which had previously given off oxygen to the tissues). In the lungs, CO 2 splits off from the carbohemoglobin present in the erythrocytes. About one-third of the CO 2 released through the lungs (most of the CO 2 is trans-ported as carbonates in plasma and erythrocytes) is transportedin the form of carbohemoglobin.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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