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Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of pericardium and heart in situ

Thymus and related structures, close-up view

Image #116-6

KEYWORDS: Heart, Left heart, Mediastinum, Pericardial sac, Right heart, Thymus.

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Dissection of pericardium and heart in situ
Thymus and related structures, close-up view
The upper portion of the specimen from the preceding view is shown here to illustrate in more detail the relations of the thymus to nearby mediastinal structures.
1 . Superior trunk brachial plexus
2 . Phrenic nerve
3 . Anterior scalene muscle
4 . Upper pointer: Vagus nerve Lower pointer: Recurrent laryngeal nerve
5 . Fibrous remnant of cervical portion of thymus
6 . Right subclavian artery
7 . Mediastinal pleura (cut and reflected)
8 . Cardiac plexus
9 . Right brachiocephalic vein
10 . Internal thoracic artery (displaced posteriorly)
11 . Fascia enclosing thymus
12 . Pericardiacophrenic artery
13 . Superior vena cava
14 . Left internal jugular vein
15 . Left common carotid artery
16 . Vagus nerve
17 . Thoracic duct
18 . Upper pointer: Subclavian artery Lower pointer: Subclavian vein
19 . Rib I
20 . Upper pointer: Left brachiocephalic vein Lower pointer: Internal thoracic vein
21 . Thymus (right lobe)
22 . Thymic branch internal thoracic artery
23 . Thymus (left lobe)
24 . Superior sternopericardial ligament
25 . Pericardium