1 — Left inferior parathyroid gland; 2 — Thyroid gland, left lobe; 3 — Superior left parathyroid gland; 4 — Pharynx, inferior constrictor; 5 — Middle constrictor; 6 — Thyrohyoid ligament; 7 — Pharyngeal raphe; 8 — Tracheal cartilages; 9 — Oesophagus
1 — Left inferior parathyroid gland; 2 — Thyroid gland, left lobe; 3 — Superior left parathyroid gland; 4 — Pharynx, inferior constrictor; 5 — Middle constrictor; 6 — Thyrohyoid ligament; 7 — Pharyngeal raphe; 8 — Tracheal cartilages; 9 — Oesophagus