Plasma and serum are the components of the blood. People consider the Plasma and serum as the same component of the blood. Yet There is difference between Plasma and Serum.
Following are the Difference between Plasma and Serum.
Plasma
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Serum
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Definition
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Plasma is colourless liquid which does not contain the cells but some blood cells of fragment of blood cells are suspended.
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The clear liquid that can be separated from clotted blood
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Component
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Plasma contains all the proteins as well as the clotting factors.
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Serum contains proteins, electrolytes except for cells and clotting factors.
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Clotting factor
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The blood plasma contains this fibrinogen
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Serum does not contains the clotting factors
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Clotting
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Plasma can be clot as it contain the clotting factor
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Serum can not be clot as it does not contain clotting factor
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Function
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Plasma is the important medium for excretory product transportation.
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Serum is an important source of electrolytes.
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Water content
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Serum contains 90% water.
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Plasma contains 92-95% water.
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