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Anterior intercostal veins: anatomy, location and function

Small veins that drain the front of the intercostal spaces. Drain blood from the anterior chest wall into the internal thoracic (and musculophrenic) veins.

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Highlighted in the model: Anterior intercostal veins. Click any part to read about it, or switch off “Highlight topic” to see the whole body. 3D data: BodyParts3D, © The Database Center for Life Science, CC BY 4.0; meshes simplified and recoloured. The model is an adult male.

Anterior intercostal veins at a glance

What it is
Small veins that drain the front of the intercostal spaces.
Location
Run in the anterior intercostal spaces alongside the anterior intercostal arteries.
Function
Drain blood from the anterior chest wall into the internal thoracic (and musculophrenic) veins.
Body system
Cardiovascular · single, midline structure
FMA ID
FMA70839 (Foundational Model of Anatomy)

Key facts

  • This item is a blood vessel group rather than a muscle.
  • The upper spaces usually have two anterior intercostal veins each, one along each rib border, joining the posterior intercostal veins around the chest wall.

Structures next to the anterior intercostal veins

The nearest named structures in the 3D model, measured from the centre of each part:

References

  1. Foundational Model of Anatomy: Anterior intercostal veins (FMA70839). EMBL-EBI Ontology Lookup Service.
  2. OpenStax. Anatomy and Physiology 2e, §20.1 Structure and Function of Blood Vessels. Rice University, 2022.
  3. Mitsuhashi N. et al. (2009). BodyParts3D: 3D structure database for anatomical concepts. Nucleic Acids Research 37, D782–D785. Data © The Database Center for Life Science, CC BY 4.0.

Explore the whole body in the interactive 3D human anatomy model, or browse the A–Z list of human structures.