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Mind map

Mediastinum

Brittany Naquin English

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Mediastinum

Inferior Mediastinum
- Anterior
  - Borders
    - Anterior- sternum and transversus thoracic muscles
    - posterior- pericardium
  - Contents: fat, connective tissue, sternopericardial ligamen, and thymus in children
- Middle
  - Borders
    - anterior and posterior- borders of pericardium
    - lateral- mediastinal surface of lungs
    - inferior- superior diaphragm
  - contents: heart, root of great vessels, and trachea bifurcation
- Posterior
  - Borders
    - Anterior- pericardium
    - Posterior- T5-T12 vertebrae
    - Lateral- mediastinal surface of lungs
  - Contents: Descending/thoracic aorta, azygos vein, hemiazygos vein, accessory hemiazygos vein, thoracic duct, esophagus, sympathetic trunk, vagus nerve and trunk
Superior Mediastinum
- Borders: 1st rib to Sternal angle of Louis (T4)
- Planes
  - Glandular
    - Thymus gland
      - Most anterior
  - Venous
    - Right and Left Brachiocephalic Veins
      - Including Right and Left Internal Jugular veins and subclavian veins
    - Superior Vena Cava
      - Brachiocephalic veins drain into superior vena cava
    - Arch of Azygos vein
      - Stems off the posterior side of superior vena cava
  - Arterial- nervous
    - Aortic arch
      - Brachiocephalic trunk, left common carotid artery, and left subclavian artery
    - Left and Right Vagus nerves
    - Left and right Phrenic nerves
  - Visceral
    - Trachea
    - Esophagus
    - Left Recurrent Laryngeal Nerve
    - Thoracic Duct
  - Lymphatic
    - Most posterior

Information

Description: Mind Map on Mediastinum, created by Brittany Naquin on 17/04/2018.
Created by: Brittany Naquin
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