preferred_name: Dense collagenous sheath of purkinje myocyte of atrioventricular node
preferred_name_lc: dense collagenous sheath of purkinje myocyte of atrioventricular node
label: Dense collagenous sheath of purkinje myocyte of atrioventricular node
label_lc: dense collagenous sheath of purkinje myocyte of atrioventricular node