Circulatory System – Thorax


Veins of the thorax:

Main Veins:

  • Vena Cava Superior (Superior Vena Cava)
  • Vena Cava Inferior

Primary and Secondary Tributaries:

  • Left and Right Brachiocephalic veins
    • V. Jugularis interna
    • V. Subclavia
    • Vv. Thoracice Internae
      • Vv. Epigastricae Superiores
      • Vv. Subcutaneae Abdominis
      • Vv. Musculophrenicae
      • Vv. Intercostales Anteriores
  • Left Brachiocephalic Vein
    • V. Intercostalis Sup.
      • Vv. Intercostales Posteriores Sin. (2nd to 4th)
      • Oesophageal Veins
  • Azygous Vein (Th 4 to Th 12)
    • V. Lumbalis Ascendens dx.
    • V. Subcostalis dx.
    • V. Intercostalis Sup. Dx.
      • Vv. Intercostales Posteriores Dx.(2nd to 4th)
      • Oesophageal Veins
    • V. Hemiazygous  (Th 4 to Th 8)
      • V. Hemiazygous accesoria (Th 8 to Th 12)
        • Vv. Intercostales Posteriores Sin. (5th to 8th)
      • V. Lumbalis Ascendes Sin.
      • V. Subcostalis Sin.
      • Vv. Intercostales Posteriores Sin. (9th to 11th)
    • Vv. Intercostales Posteriores Dx. (5th to 11th)
    • Vv. Oesophageales
    • Vv. Pericardice
    • Vv. Mediastinales
    • Vv. Bronchiales
    • Vv. Phrenicae sup.

Veins of the Abdomen:

Main Veins:

  • Vena Cava Inferior

Primary and Secondary Tributaries: