Also found in: Dictionary, Thesaurus, Encyclopedia.
an animal preparation in which blood (rendered incoagulable) circulates through the heart and lungs and through an artificial system of vessels representing the systemic circulation; the latter is connected with the divided aorta on the one hand and with the superior vena cava on the other; used in physiologic studies of the heart and circulation.
Farlex Partner Medical Dictionary © Farlex 2012
In animal studies and in open-heart surgery, the use of devices that take over the function of the heart and lungs while those organs are being treated or possibly replaced.
See also: preparation
Medical Dictionary, © 2009 Farlex and Partners