Deoxyhemoglobin
Deoxyhemoglobin
Deoxyhemoglobin (pronounced: dee-ox-ee-hee-muh-gloh-bin), also known as reduced hemoglobin, is a form of hemoglobin that is free of oxygen.
Etymology
The term "deoxyhemoglobin" is derived from the Greek words "de" meaning "without", "oxy" referring to "oxygen", and "hemoglobin", the protein molecule in red blood cells that carries oxygen from the lungs to the body's tissues.
Definition
Deoxyhemoglobin is the state of hemoglobin after it has released its bound oxygen to the tissues and is in the process of returning to the lungs to pick up more oxygen. It is the non-oxygenated form of hemoglobin, which gives venous blood its dark red color.
Related Terms
- Hemoglobin: The protein molecule in red blood cells that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back to the lungs.
- Oxyhemoglobin: The oxygen-loaded form of hemoglobin, which gives arterial blood its bright red color.
- Carboxyhemoglobin: A compound of hemoglobin and carbon monoxide, which prevents normal oxygen uptake in the blood.
- Methemoglobin: An oxidized form of hemoglobin that has a higher affinity for oxygen but cannot release it effectively to body tissues.
See Also
External links
- Medical encyclopedia article on Deoxyhemoglobin
- Wikipedia's article - Deoxyhemoglobin
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