noun
- hemoglobin that has released its oxygen and is in its reduced form, typically found in venous blood
Usage: biochemistry; medical
Examples
- Deoxyhemoglobin gives venous blood its darker red color compared to arterial blood.
- The oxygen-hemoglobin dissociation curve shows how deoxyhemoglobin levels increase as tissues consume oxygen.
- In the lungs, deoxyhemoglobin is converted back to oxyhemoglobin through gas exchange.
- Deoxyhemoglobin has a different molecular structure than oxyhemoglobin, allowing it to release oxygen to tissues.
- Blood returning from active muscles contains higher concentrations of deoxyhemoglobin.