atrioventricular bundles造句

• The sinoatrial node uses calcium to cause a depolarising signal transduction pathway from the atrium through right and left atrioventricular bundle which communicates contraction to the ventricles.
• The components of the cardiac conduction system include the atrial and ventricular syncytium, the sinoatrial node, the atrioventricular node, the bundle of His ( atrioventricular bundle ), the bundle branches, and the Purkinje cells.
• Working under the guidance of his mentor, Ludwig Aschoff, Tawara performed a histological examination of 150 hearts with myocarditis ( which led to the discovery of Aschoff bodies ), and he began examining the atrioventricular bundle before embarking on a comprehensive study of the anatomy and histology of the heart's conduction system.