sinoatrial node in English
noun
1
a small body of specialized muscle tissue in the wall of the right atrium of the heart that acts as a pacemaker by producing a contractile signal at regular intervals.
noun
Use "sinoatrial node" in a sentence
Below are sample sentences containing the word "sinoatrial node" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "sinoatrial node", or refer to the context using the word "sinoatrial node" in the English Dictionary.
1. Atrioventricular node definition, a small mass of muscular fibers at the base of the wall between the atria, conducting impulses received from the sinoatrial node by way of the Atrioventricular bundles and, under certain conditions, functioning for the sinoatrial node as pacemaker of the heart
2. Because the sinoatrial node is responsible for the rest of the heart's electrical activity, it is sometimes called the primary pacemaker.