Lectures 19. Internal organs of the thoracic cavity. Divisions of the mediastinum. Lymphatic drainage Flashcards
Structures that superior mediastinum contain (except nerves and vessels)
(1) Trachea
(2) Esophagus
(3) Thymus (prepubertal only)
(4) Thoracic duct
Vessels that superior mediastinum contain
Superior vena cava
Brachiocephalic veins
Aortic arch
Innominate artery
Thoracic portions of the left common carotid and left subclavian arteries
Nerves that superior mediastinum contain
Phrenic nerve
Vagus nerve
Left recurrent laryngeal nerve
Borders of inferior mediastinum
Inferior mediastinum
- Superior: thoracic plane
- inferior: diaphragm
What are the 3 parts of Inferior mediastinum?
Green - anterior mediastinum
Blue - Middle mediastinum
Pink - Posterior mediastinum
What is the green part? describe its borders?
Anterior mediastinum
Anterior - Sternum
Posterior - Anterior surface of pericardium
What is the blue part?
describe its borders?
Middle mediastinum
- Extends between the anterior and posterior surfaces of the pericardium
What is the pink part?describe its borders?
Posterior mediastinum
- Extends between the posterior surface of the pericardium and T4 - T12
Identify structure 1
Brachiocephalic trunk
Identify structure 2
Left common carotid artery
Identify structure 3
Aortic arch
Identify structure 4
Left subclavian artery
Identify structure 5
Superior vena cava
Identify structure 6
Esophagus
Identify structure 7
Thoracic duct
Identify structure 11
Diaphragm
Identify structure 8
Sympathetic chain ganglion
Identify structure 9
Azygous vein
Identify structure 10
Hemi-azygous vein
