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:

4) Veins:

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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