Blood proteins
Blood Proteins
Blood proteins, also known as plasma proteins or serum proteins, are proteins present in blood plasma. They serve many different functions, including transport of lipids, hormones, vitamins, and minerals in activity and functioning of the immune system.
Pronunciation
Blood Proteins: /blʌd 'proʊti:nz/
Etymology
The term "blood proteins" is derived from the English words "blood", which comes from the Old English "blod", and "protein", which comes from the French "protéine", derived from the Greek "proteios" meaning "primary" or "in the lead".
Types of Blood Proteins
There are three main types of blood proteins:
1. Albumin: This is the most abundant blood protein and is responsible for maintaining the osmotic pressure that helps transport molecules, hormones, drugs, and ions.
2. Globulins: These are a group of proteins that include the immunoglobulins (antibodies) which help fight infection.
3. Fibrinogen: This protein is involved in blood clotting. When the body experiences a cut or wound, fibrinogen is converted into fibrin to help stop bleeding.
Related Terms
- Hemoglobin: This is a protein 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.
- Immunoglobulins: These are a type of globulin protein that function as antibodies. They play a crucial role in the immune response by specifically recognizing and binding to particular antigens.
- Serum Albumin: This is the most abundant protein in human blood plasma. It binds water, cations (such as Ca2+, Na+ and K+), fatty acids, hormones, bilirubin, thyroxine (T4) and pharmaceuticals (including barbiturates).
External links
- Medical encyclopedia article on Blood proteins
- Wikipedia's article - Blood proteins
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