plasma volume extender

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something that enlarges or prolongs; called also expander.
artificial plasma extender (plasma volume extender) a substance that can be transfused to maintain fluid volume of the blood in event of great necessity, supplemental to the use of whole blood and plasma. Called also plasma volume expander.

plasma volume extender

Etymology: Gk, plassein + L, volumen, paper roll, extendere, to stretch
an IV solution of dextran, proteins, or other substances used to treat shock caused by blood volume loss.

plas·ma vol·ume ex·tend·er

(plazmă volyūm ek-stendĕr)
A liquid compound that is administered after major blood loss to help the remaining plasma work more effectively.