Строение средостения (А — схема, Б — сагиттальное сечение грудной клетки:

1 — Superior mediastinum; 2 = 3 + 4 + 5 — Inferior mediastinum; 3 — Posterior mediastinum; 4 — Middle mediastinum; 5 — Anterior mediastinum; 6 — Right atrium; 7 — Lumbar part; 8 — Spinal cord; 9 — Oesophagus; 10 — Left atrium; 11 — Transverse pericardial sinus; 12 — Left pulmonary vein; 13 — Right pulmonary artery; 14 — Interspinalis; 15 — Posterior internal vertebral venous plexus; 16 — Right main bronchus;17 — Basivertebral veins; 18 — Tracheal bifurcation and Carina of trachea; 19 — Trachea; 20 — Vertebra prominens [CVII]; 21 — Trachea, membranous wall; 22 — Oesophagus, cervical part; 23 — Infraglottic cavity; 24 — Vocal ligament; 25 — Thyroid cartilage; 26 — Thyroid gland; 27 — Tracheal cartilages; 28 — Brachiocephalic trunk; 29 — Left brachiocephalic vein; 30 — Arch of aorta; Aortic arch; 31 — Ascending aorta; 32 — Thymus; 33 — Aortic valve; Left, posterior and right semilunar cusps; 34 — Myocardium; 35 — Tricuspid valve; Right atrioventricular valve; 36 — Ribs [VI, VII]; 37 — Pericardial cavity; 38 — Parietal layer; 39 — Visceral layer; Epicardium; 40 = 38 +

39 — Serous pericardium; 41 — Liver, bare area; 42 — Liver

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