expander

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expander

 [ek-span´der]
plasma volume expander artificial plasma extender.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

expander

(ek-span′dĕr) [L. expandere, to spread out]
1. A device that increases the size or volume of a structure.
2. An agent, e.g. plasma or dextran, that expands blood volume.
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