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Words related to atrial

a·tri·um
A a

  • atrial natriuretic factor

    any of several peptide hormones that are released by the atria of the heart in response to an abnormal increase in blood volume and that modulate blood pressure and the excretion of sodium, potassium, and water. Abbreviation: ANF.

  • auriculin

    atrial natriuretic factor.

  • bigeminy

    a heart complaint in which beats occur in pairs

  • defibrillator

    A defibrillator is a machine that starts the heart beating normally again after a heart attack, by giving it an electric shock.

  • sinoatrial node

    a small mass of tissue in the right atrium functioning as pacemaker of the heart by giving rise to the electric impulses that initiate heart contractions.
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