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2010-10-14 16:46:25

The artificial heart, a mechanical heart replacement, is typically used in order to bridge the time to heart transplant or to replace the heart in case a transplant is impossible. Often ventricular assist devices are confused with mechanical hearts because the assist the heart through pumps. They are also different from a cardiopulmonary bypass machine which is an external device used to provide the function of the heart and lungs. CPBs are usually only used for a few hours at a time,...

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Word of the Day
attercop
  • A spider.
  • Figuratively, a peevish, testy, ill-natured person.
'Attercop' comes from the Old English 'atorcoppe,' where 'atter' means 'poison, venom' and‎ 'cop' means 'spider.' 'Coppa' is a derivative of 'cop,' top, summit, round head, or 'copp,' cup, vessel, which refers to 'the supposed venomous properties of spiders,' says the OED. 'Copp' is still found in the word 'cobweb.'
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