preferred_name: Dense collagenous sheath of myocardial endocrine cell of atrial part of atrioventricular bundle
preferred_name_lc: dense collagenous sheath of myocardial endocrine cell of atrial part of atrioventricular bundle
label: Dense collagenous sheath of myocardial endocrine cell of atrial part of atrioventricular bundle
label_lc: dense collagenous sheath of myocardial endocrine cell of atrial part of atrioventricular bundle