The atrioventricular band is an essential part of the human heart responsible for regulating blood flow. As such, it is commonly referred to using different synonyms, such as the atrioventricular node, the AV node, and the AV bundle. Other synonyms include the His bundle, the bundle of His, and the atrioventricular junction. These different terms all refer to the same structure within the heart that helps maintain the proper rhythm and synchronization of the heart's contractions. Understanding the various synonyms of the atrioventricular band is crucial in the medical field to ensure effective communication and diagnosis.