Similar words: anode, node, anodize, anodyne, internode, lymph node, network node, echinoderm. Meaning: n. a specialized bit of heart tissue that controls the heartbeat.
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(1) This is why the SA node is sometimes called heart's natural pacemaker.
(2) From the SA node, electrical impulses spread through the heart muscle to trigger the heartbeat.
(3) Your SA node sends out the electrical signal that guides the rest of the heart tissue.
(4) SA node dysfunction or atrial-ventricular (AV) conduction block causes improper heart rate ( bradycardia ).
(5) Observation in vivo showed that pacemaking in SA node and conducting in AV node area were inhibited. Sentencedict.com
(6) An "atrially triggered" pacemaker can pick up the signals directly from the SA node and strengthen them before passing them to the ventricles.
(7) This process continues over and over as the atria refill with blood and other electrical signals come from the SA node.
(8) The electrical signal is generated through an influx of calcium into the cells in the SA node, causing a change in voltage which creates the current.
(9) This is particularly important when the conducting tissues between the SA node and the ventricles fail only from time to time.
(10) Objective To study the effects of pulling gallbladder on SA node function.
More similar words: anode, node, anodize, anodyne, internode, lymph node, network node, echinoderm, sinoatrial node, immunodeficiency, casanova, cosa nostra, atrioventricular node, human immunodeficiency virus, One good turn deserves another, nod, nodal, synod, noddy, nod off, noddle, monody, nodule, no date, nodose, nodding, nodular, no doubt, threnody, conodont.