from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An apparatus through which blood is temporarily diverted, especially during heart surgery, to oxygenate it and pump it throughout the body, thus maintaining circulation until the heart and lungs are able to return to normal functioning.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a pump to maintain circulation during heart surgery; diverts blood from the heart and oxygenates it and then pumps it through the body
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