Intercostal arteries
The intercostal arteries are a group of arteries passing within an intercostal space (the space between two adjacent ribs). There are 9 anterior and 11 posterior intercostal arteries on each side of the body. The anterior intercostal arteries are branches of the internal thoracic artery and its terminal branch - the musculophrenic artery. The posterior intercostal arteries are branches of the supreme intercostal artery and thoracic aorta.
| Intercostal arteries | |
|---|---|
Intercostal spaces, viewed from the left | |
| Details | |
| Vein | Intercostal veins |
| Supplies | Intercostal muscles and intercostal space |
| Identifiers | |
| Latin | arteriae intercostales |
| Anatomical terminology | |
Each anterior intercostal artery anastomoses with the corresponding posterior intercostal artery arising from the thoracic aorta.
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