The difference between the three blood serum plasma
Release time:
2024-11-29
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Abstract
Blood, serum and plasma are very important concepts in the field of biology and medicine, and they have obvious differences in composition, function and medical application.
**Blood * *
Blood is an opaque red fluid that flows in the heart and blood vessels. It is mainly composed of plasma and blood cells. It has the functions of transporting oxygen, nutrients, and metabolic waste. Various elements contained in the blood, such as red blood cells, white blood cells and platelets, maintain the normal physiological functions of the human body.
**Serum * *
Serum is the liquid part separated after blood coagulation. It is mainly composed of water and various nutrients, hormones, enzymes, antibodies, etc. dissolved in it. Serum does not contain blood cells, but retains many components in plasma, such as proteins, electrolytes, etc. Serum is mainly used for laboratory tests, such as virus detection, antibody detection, etc. In addition, serum is also an important raw material for vaccine production and certain biologics.
**Plasma * *
Plasma is the blood component after the removal of blood cells, mainly composed of water, proteins, electrolytes and various substances dissolved in the blood. The main function of plasma is to maintain normal blood osmotic pressure and acid-base balance, but also involved in the transport of nutrients and the discharge of metabolic waste. Plasma differs from serum in that it contains some coagulation factors and other protein components. Plasma has a wide range of applications in clinical medicine, such as blood transfusion, coagulation factor therapy and so on.
The relationship and difference between the three can be summarized as follows: blood is a liquid containing plasma and various blood cells, serum is the liquid part separated after blood coagulation, and plasma is the blood component after blood cells are removed. They differ in composition, function, and medical applications. Blood contains the widest range, and plasma and serum are components separated from blood under specific conditions.
In general, blood, serum and plasma play different roles in the human body, and they differ mainly in their composition and function. Understanding the differences between the three is of great significance for medical research and clinical practice, and helps to better understand and deal with various blood-related problems.
Key words:
Huanke
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