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Middle Mediastinum- Anatomy, Boundaries And Content

Boundaries

  • Anterior: Anterior mediastinum.
  • Posterior: Posterior mediastinum.
  • Superior: Superior mediastinum.
  • Inferior: Diaphragm.

Contents

1) Heart.

2) Pericardium.

3) Arteries:

  • Ascending aorta.
  • Pulmonary trunk dividing into 2 pulmonary arteries.
  • Pericardiophrenic arteries.

4) Veins:

  • Superior vena cava (lower half).
  • Azygos vein (terminal part).
  • Pulmonary veins (left and right).

5) Nerves:

  • Phrenic nerves.
  • Deep cardiac plexus.

6) Lymph nodes: Tracheobronchial lymph nodes.

7) Tubes:

  • Bifurcation of trachea.
  • Left and right principal bronchi.

The main contents of middle mediastinum are pericardium and its contents (example, the heart and roots of its great vessels).

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By Dr. Joseph H Volker | 2018-08-30T08:56:47+00:00 August 8th, 2018|Anatomy, Thorax|0 Comments