I — Posterior basal segmental bronchus [BX]; 2 — Lateral basal segmental bronchus [BIX]; 3 — Medial basal segmental bronchus [BVII]; 4 — Anterior basal segmental bronchus [BVIII]; 5 — Superior segmental bronchus [BVI]; 6 — Inferior lingular bronchus [BV]; 7 — Superior lingular bronchus [BIV]; 8 — Left inferior lobar bronchus; 9 — Anterior segmental bronchus [BIII]; 10 — Left superior lobar bronchus;
II — Apicoposterior segmental bronchus [BI + II]; 12 — Left main bronchus; 13 — Tracheal bifurcation; 14 — Anular ligaments; 15 — Tracheal cartilages; 16 — Thyroid cartilage, right lamina; 17 — Corniculate cartilage; 18 — Arytenoid cartilage; 19 — Lamina of cricoid cartilage; 20 — Membranous wall; 21 — Tracheal glands; 22 — Trachealis; 23 — Right main bronchus; 24 — Right inferior lobar bronchus; 25 — Right superior lobar bronchus; 26 — Apical segmental bronchus [BI]; 27 — Anterior segmental bronchus [BIII]; 28 — Posterior segmental bronchus [BII]; 29 — Superior segmental bronchus [BVI]; 30 — Middle lobar bronchus; 31 — Lateral segmental bronchus [BIV]; 32 — Medial segmental bronchus [BV]; 33 — Anterior basal segmental bronchus [BVIII]; 34 — Medial basal segmental bronchus [BVII]; 35 — Lateral basal
segmental bronchus [BIX]; 36 — Posterior basal segmental bronchus [BX]
