preferred_name: Lumen of isthmus segment of bony part of right pharyngotympanic tube
preferred_name_lc: lumen of isthmus segment of bony part of right pharyngotympanic tube
label: Lumen of isthmus segment of bony part of right pharyngotympanic tube
label_lc: lumen of isthmus segment of bony part of right pharyngotympanic tube