Specific

atrial auricle; auricular appendage; auricle of atria (left/right) atrioventricular [AV] node bundle of His (atrioventricular {AV} bundle) cardiac apex; apex of the heart cardiac conduction system cardiac septum; septum of heart cardiac ventricle chorda tendineae conus arteriosus (arterial infundibulum) coronary artery coronary sulcus; coronary groove; atrioventricular (AV) groove ductus arteriosus (Botallo's duct) endocardium epicardium (visceral layer of serous pericardium) fibrous ring of heart (right & left); coronary tendon; lower ring heart valve intercalated disc left atrium (LA) left bundle branch left ventricle (LV) left ventricular outflow tract ligamentum arteriosum (Botallo's ligament) oblique sinus of pericardium purkinje fibers (subendocardial branches of atrioventricular bundle) right atrium (RA) right bundle branch right ventricle (RV) right ventricular outflow tract sinus node; sinoatrial node; SA node transverse sinus of pericardium (Theile canal)