Pacemaker cells are highly specialized myocardial cells whose intrinsic ability to rhythmically depolarise and initiate an action potential is responsible for the basal heart rate.
Apr 27, 2017
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The cells that create these rhythmic impulses, setting the pace for blood pumping, are called pacemaker cells, and they directly control the heart rate. They ...
Apr 17, 2023 · SA node pacemaker cells depolarize at a rate of 60 to 100 per minute, while the AV node at 40 to 60 per minute. The pacemaker with the highest ...
In cardiac pacemaker cells, action potentials occur when specialized channels in the cell membrane open and allow ions to flow into or out of the cell. This ...
Jul 15, 2021 · Pacemaker cells comprise a small population of specialized cardiomyocytes within the sinoatrial node (SAN) that spontaneously fire to trigger ...
Duration: 9:10
Posted: Jul 25, 2019
Posted: Jul 25, 2019
Oct 23, 2019 · We report here that cardiac pacemaker cells can generate cardiomyocytes from fibroblasts in vitro. Sinoatrial node cells (SANCs) were isolated ...
Duration: 15:40
Posted: May 6, 2014
Posted: May 6, 2014
Oct 11, 2022 · These findings provide new insights into the molecular processes involved in human pacemaker cell differentiation, opening new avenues for ...
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