epicardium,right channel of ventral aorta,myocardium,external carotid artery,spiral septum,aortic arch,endocardial tube,primary heart field,cardiac atrium,left channel of ventral aorta,heart,secondary heart field,heart primordium,endocardium,trabecula carnea,ventral aorta,cardiac myocyte,ventricular outflow tract,cardiac atrium,atrioventricular canal,atrioventricular valve,pericardium,trabecula carnea,endocardium,cardiac jelly,endocardial cushion,epicardial precursor cell,pericardial muscle,outflow tract,pericardial roof,spiral septum,right atrium,cardiac ventricle,atrioventricular valve leaflet,endocardial tube,cardiac progenitor cell,atrial septum,cardiac valve,myocardium,atrioventricular canal endocardium,left atrium,sinus venosus,epicardium