preferred_name: Dense collagenous sheath of purkinje myocyte of atrial septal branch of anterior internodal tract
preferred_name_lc: dense collagenous sheath of purkinje myocyte of atrial septal branch of anterior internodal tract
label: Dense collagenous sheath of purkinje myocyte of atrial septal branch of anterior internodal tract
label_lc: dense collagenous sheath of purkinje myocyte of atrial septal branch of anterior internodal tract