Plasma and serum are two components of blood. They differ in their composition, function, and use in medical diagnosis. Plasma is the liquid component of blood that carries cells throughout the body, while serum is a clear fluid derived from plasma which contains clotting factors and antibodies. This article will discuss the differences between these two substances.
About Difference Between Plasma And Serum
|Composition||Plasma contains clotting proteins, while serum is the clear liquid that remains after blood clots.|
|Collection Method||Plasma is obtained by centrifuging whole blood and removing red cells, whereas serum is collected from a separated clot of blood.|
|Appearance||Plasma appears cloudy due to its protein content, whereas serum is straw-colored and clear.|
|Testing||Plasma tests measure electrolytes, hormones, enzymes, and other substances. Serum tests are used for diagnosing diseases and monitoring drug therapy.|
|Storage||Plasma can be frozen and stored for up to one year. Serum needs to be refrigerated and used within 24 hours.|
|Uses||Plasma is used in transfusions and medical research. Serum is used to diagnose infections, allergies, and autoimmune disorders.|