noun[mass noun] Biochemistry
A bright red substance formed by the combination of haemoglobin with oxygen, present in oxygenated blood.
- Fortunately it combines with the haemoglobin to form oxyhaemoglobin, thus maintaining a steep concentration gradient.
- As oxyhemoglobin circulates to deoxygenated tissue, oxygen is incrementally unloaded and the affinity of hemoglobin for oxygen is reduced.
- This process occurs when oxygen atoms bond to an iron atom at the center of a complex protein molecule known as oxyhemoglobin.
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Line breaks: oxy|haemo|glo¦bin
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