preferred_name: Fibrocollagenous connective tissue of superficial layer of myocardium of atrium
preferred_name_lc: fibrocollagenous connective tissue of superficial layer of myocardium of atrium
label: Fibrocollagenous connective tissue of superficial layer of myocardium of atrium
label_lc: fibrocollagenous connective tissue of superficial layer of myocardium of atrium