Bassett Collection of Stereoscopic Images of Human Anatomy

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Dissection of breast and anterolateral thoracic wall

Anterior thoracic wall, internal aspect

Image #116-1

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Dissection of breast and anterolateral thoracic wall

Anterior thoracic wall, internal aspect

All of the thoracic viscera have been removed except those structures which pass through the superior thoracic aperture (thoracic inlet). The pleura and the endothoracic fascia have been excised anteriorly.

1 .	Vertebra Th. III (pointer on posterior longitudinal ligament)
2 .	Left subclavian artery
3 .	Phrenic nerve
4 .	Intercostal nerve
5 .	Upper pointer: Esophagus (cut off) Lower pointer: Trachea (cut off)
6 .	Recurrent laryngeal nerve
7 .	Aortic arch
8 .	Costal cartilage II
9 .	Body of sternum (covered by sternal membrane)
10 .	Upper pointers: Internal thoracic veins Lower pointer: Internal thoracic artery
11 .	Anterior intercostal branch internal thoracic artery
12 .	Sternal branches internal thoracic artery
13 .	Costal pleura
14 .	Sternal part of diaphragm
15 .	Pericardium
16 .	Rib II
17 .	Right subclavian vein
18 .	Rib I
19 .	Sternothyroid muscle
20 .	Vagus nerve right
21 .	Superior vena cava (cut off)
22 .	Ascending aorta
23 .	Azygos vein (cut off)
24 .	Vertical fascial bands related to transversus thoracis muscle
25 .	Right internal thoracic artery
26 .	Left internal thoracic vein
27 .	Innermost intercostal muscle
28 .	Transversus thoracis muscle
29 .	Diaphragm