Landmarks and Osteology

• Sternal angle

Nerve(s)

• Phrenic n.

Pleura(e)

• Parietal

  • Costal

  • Mediastinal

  • Cervical

  • Diaphragmatic

• Visceral

Ventilation Pathway

• Larynx

  • Thyroid cartilage

  • Median cricothyroid membrane

  • Cricoid cartilage

• Trachea

  • Tracheal bifurcation

  • Carina of trachea

• Tracheobronchial tree

  • Trachea

    • Right main [Primary] bronchus 

      • Superior lobar [Secondary] bronchus

      • Bronchus intermedius 

        • Middle lobar [Secondary] bronchus

        • Inferior lobar [Secondary] bronchus

          • Superior segmental bronchus of right inferior lobe

    • Left main [Primary] bronchus 

      • Superior lobar [Secondary] bronchus

        • Lingular bronchus

      • Inferior lobar [Secondary] bronchus

  • Segmental [Tertiary] bronchi

Surfaces and Gross Features of Lungs

• Right and left lungs

• Surfaces:

  • Apex of lung

  • Costal surface of lung

  • Mediastinal surface of lung

    • Hilum of lung

      • Root of lung

  • Diaphragmatic surface (Base) of lung 

• Lobes:

  • Superior [Upper] lobe

  • Middle lobe

  • Inferior [Lower] lobe

• Cardiac notch of left lung

• Lingula of left lung

• Fissures

  • Oblique [Major] fissure

  • Horizontal [Minor] fissure (of right lung)

Muscle

• Diaphragm