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Plasma Volume

Meaning

Plasma Volume is the total volume of the liquid component of blood, known as plasma, which is the non-cellular matrix primarily composed of water, electrolytes, proteins, and hormones. This physiological parameter is a critical determinant of overall blood volume, influencing cardiovascular function, blood pressure, and the transport capacity for nutrients and endocrine signals throughout the body. Maintaining optimal plasma volume is essential for efficient tissue perfusion and hormonal delivery to target organs.