百度试题 结果1 题目The pacemaker of the heart is the___(two words) 相关知识点: 试题来源: 解析 (1)sinoatrial node;SA node 反馈 收藏
刷刷题APP(shuashuati.com)是专业的大学生刷题搜题拍题答疑工具,刷刷题提供The pacemaker for the heart is ordinarily theA.sinoatrial nodeB.atrioventricular nodeC.atrioventricular bundle (of His)D.subendocardial plexusE.membranous interventricular septum的答
The heart is made up of many cardiomyocytes, or cardiac muscle cells, that contract in response to electrical stimulation to produce the heart beat. It is vitally important for the cardiomyocytes to coordinate their contractions, so tha...
PURPOSE: To provide a cardiac pacemaker having desired features such as physiological responsiveness, quick responsiveness, long-time reliability and high-grade limitedness by sensing blood pressure and controlling the frequency of heartbeats corresponding to this blood pressure. CONSTITUTION: A pulse ...
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The natural pacemaker of the heart is made of cardiac muscle tissue that stimulates other cardiac muscle cells to contract. Because of its self-stimulation, cardiac muscle is considered to be autorhythmic or intrinsically controlled. The cells of cardiac muscle tissue are striated---that is, they...
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To compensate such failure, fibrosis is initiated, and an inflammatory response is also activated [72]. Depending on the severity, extent and duration of the ischemic period, such myocardial region will be able to be partially recovered. Overall, structural remodeling of the ventricular chambers ...
the sinus node cell, especially those which may impact pacemaking, show a day-night rhythm. The data show an all-pervasive day-night rhythm in the transcriptome of the pacemaker of the heart, the sinus node—there is a day-night rhythm in pacemaker genes and in many other systems as ...
The Human Heart The heart is a muscular organ that forms part of the cardiovascular system. The heart is located in the thoracic cavity, in the region called the mediastinum. The pumping action of the heart caused by depolarization...