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Vein of Marshall

Dr David Carroll ◉ and Dr Craig Hacking ◉ ◈ et al.

The vein of Marshall, oblique vein of Marshall or the oblique vein of the left atrium is a small vein that descends on and drains the posterior wall of the left atrium. It drains directly into the coronary sinus at the same end as the great cardiac vein, marking the origin of the sinus.

It represents the persistent left horn of the sinus venous (left SVC) and is important prenatally, but is of little importance postnatally.

On this page:

Article:

Variant anatomy
Related pathology
History and etymology
Related articles
References

Variant anatomy

It may be completely absent, in which case surrounding veins will drain the left atrium.

Related pathology

The pericardial folds surrounding this vessel, the Marshall ligament, may be a source of paroxysmal atrial fibrillation, and hence targeted during radio frequency ablation ⁴.

History and etymology

It is named after John Marshall (1818 - 1891): English surgeon and anatomist.

References

Anatomy: Thoracic

thoracic skeleton
- thoracic cage
  - ribs
    - typical ribs
    - atypical ribs
    - variant anatomy
      - bifid ribs
  - costal cartilage
  - sternum
- thoracic spine
- articulations
muscles of the thorax
spaces of the thorax
thoracic viscera
blood supply of the thorax
- arteries
  - thoracic aorta (development)
  - pulmonary trunk
    - left pulmonary artery
      - aberrant left pulmonary artery
    - right pulmonary artery
- veins
  - superior vena cava (cavoatrial junction)
  - inferior vena cava
  - coronary veins
    - cardiac veins which drain into the coronary sinus
      - great cardiac vein
      - middle cardiac vein
      - small cardiac vein
      - posterior vein of the left ventricle
      - vein of Marshall (oblique vein of the left atrium)
    - anterior cardiac veins
    - venae cordis minimae (smallest cardiac veins or thebesian veins)
  - pulmonary veins
    - bronchial veins
lymphatics
innervation of the thorax

Article information

rID: 54196

System: Vascular, Cardiac

Section: Anatomy

Synonyms or Alternate Spellings:

Oblique vein of Marshall
Oblique vein of the left atrium
Oblique vein of left atrium

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