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A Writer's Dictionary:

pacemaker Definition


Dictionary Home » Words Starting with P » P ... paedology » pacemaker


pacemaker
noun
    1. physiol.
      A small mass of specialized muscle-cells in the heart which control the rate and the rhythm of the heartbeat.
    2. medicine.
      An electronic device that stimulates the heart muscle to contract at a specific and regular rate, used to correct weak or irregular heart rhythms.
    3. A pacesetter.


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