1 — Lateral basal segmental bronchus [BIX]; 2 — Anterior basal segmental bronchus [BVIII]; 3 — Right inferior lobar bronchus; 4 — Medial segmental bronchus [BV]; 5 — Lateral segmental bronchus [BIV]; 6 — Middle lobar bronchus; 7 — Superior segmental bronchus [BVI]; 8 — Bronchial cartilages; 9 — Posterior segmental bronchus [BII]; 10 — Anterior segmental bronchus [BIII]; 11 — Right superior lobar bronchus; 12 — Apical segmental bronchus [BI]; 13 — Right main bronchus; 14 — Tracheal bifurcation; 15 — Anular ligaments; 16 — Tracheal cartilages; 17 — Arch of cricoid cartilage; 18 — Median cricothyroid ligament; 19 — Thyroid cartilage, right lamina; 20 — Left main bronchus; 21 — Anterior segmental bronchus [BIII]; 22 — Apicoposterior segmental bronchus [BI + II]; 23 — Left superior lobar bronchus; 24 — Superior lingular bronchus [BIV]; 25 — Inferior lingular bronchus [BV]; 26 — Left inferior lobar bronchus; 27 — Superior segmental bronchus [BVI]; 28 — Anterior basal segmental bronchus [BVIII]; 29 — Medial basal segmental bronchus [BVII]; 30 — Lateral basal segmental bronchus [BIX]; 31 — Posterior basal segmental bronchus [BX]; 32 — Medial basal segmental bronchus [BVII]; 33 — Posterior basal segmental bronchus [BX]
