Intercostal spaces, viewed from the left.
|Drains from||intercostal muscle, intercostal space|
They can be divided as follows:
- Anterior intercostal veins
- Posterior intercostal veins
- Posterior intercost vein that drain into the Supreme intercostal vein - 1st intercostal space
- Posterior intercost veins that drain into the Superior intercostal vein - 2nd, 3rd, and 4th intercostal spaces. The superior intercostal vein then drains into the Azygous vein.
- Posterior intercost veins that drain directly into the Azygous vein - in spaces 5-11.
- Subcostal vein -- below bottom (12th) rib and also drains into the Azygous vein.
- Atlas image: abdo_wall70 at the University of Michigan Health System
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