Intercostal Vessels (other)
Intercostal vessels may refer to: ;Intercostal arteries * Posterior intercostal arteries * Highest intercostal artery * Anterior intercostal branches of internal thoracic artery ;Intercostal veins * Supreme intercostal vein * Superior intercostal vein * Posterior intercostal veins The posterior intercostal veins are veins that drain the intercostal spaces posteriorly. They run with their corresponding posterior intercostal artery on the underside of the rib, the vein superior to the artery. Each vein also gives off a dors ...

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 branchthe musculophrenic artery. The posterior intercostal arteries are branches of the supreme intercostal artery and thoracic aorta. Each anterior intercostal artery anastomose, anastomoses with the corresponding posterior intercostal artery arising from the thoracic aorta. Anterior intercostal arteries Origin The upper six anterior intercostal arteries are branches of the internal thoracic artery (anterior intercostal branches of internal thoracic artery). The internal thoracic artery then divides into its two terminal branches, one of which - the musculophrenic artery - proceeds to issue anterior intercostal arteries to the remaining 7th, 8th, and 9th intercostal spaces ...
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Supreme Intercostal Vein
The supreme intercostal vein (highest intercostal vein) is a paired vein that drains the first intercostal space on its corresponding side. It usually drains into the brachiocephalic vein. Alternatively, it drains into the superior intercostal vein, or the vertebral vein of its corresponding side. Clinical significance This vein does not have valves, this is an important point when it comes to spread of cancerous secondaries. Additional images File:Gray480.png, Diagram showing completion of development of the parietal veins. See also * superior intercostal vein * posterior intercostal vein * azygos vein The azygos vein (from Ancient Greek ἄζυγος (ázugos), meaning 'unwedded' or 'unpaired') is a vein running up the right side of the thoracic vertebral column draining itself towards the superior vena cava. It connects the systems of superio ... References Thoracic veins Veins of the torso {{circulatory-stub ...
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Superior Intercostal Vein
The superior intercostal veins are two veins that drain the 2nd, 3rd, and 4th intercostal spaces, one vein for each side of the body. Right superior intercostal vein The right superior intercostal vein drains the 2nd, 3rd, and 4th posterior intercostal veins on the right side of the body. It flows into the azygos vein. Left superior intercostal vein The left superior intercostal vein drains the 2nd and 3rd posterior intercostal veins on the left side of the body. It usually drains into the left brachiocephalic vein. It may also communicate with the accessory hemiazygos vein. As it passes posteriorly above the aortic arch, it crosses deep to the phrenic nerve and the pericardiacophrenic vessels and then superficial to the vagus nerve. See also * Supreme intercostal vein The supreme intercostal vein (highest intercostal vein) is a paired vein that drains the first intercostal space on its corresponding side. It usually drains into the brachiocephalic vein. Alternatively, it ...
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