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Each posterior intercostal artery travels along the bottom of the rib alongside its corresponding posterior intercostal vein and intercostal nerve; the vein is superior to the artery, and the nerve is inferior to it. The mnemonic "VAN" is commonly used to recall their order from superior to inferior.
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 dorsal branch that drains blood from the muscles of the back.
Twelve anterior intercostal branches, two to each of the top six intercostal spaces. In a given space, the upper branch travels laterally along the bottom of the rib until it anastomoses with its corresponding posterior intercostal artery. The lower branch of the space anastomoses with a collateral branch of the posterior intercostal artery.
Posterior intercostal artery; Posterior intercostal vein This page was last edited on 29 December 2019, at 19:35 (UTC). Text is available under the Creative Commons ...
Passing backward, it splits into the deep cervical artery and the supreme intercostal artery (highest intercostal artery), which descends behind the pleura in front of the necks of the first and second ribs, and anastomoses with the first aortic intercostal (3rd posterior intercostal artery).
Retrieved from "https://en.wikipedia.org/w/index.php?title=Posterior_intercostal_artery&oldid=629739652"https://en.wikipedia.org/w/index.php?title=Posterior_intercostal
It typically arises from a 9th to 12th left posterior intercostal artery, [5] enters through the L2-L3 intervertebral foramen to join the anterior spinal artery and supply much of the inferior half of the spinal cord. [6] The artery is named after pathologist Albert Wojciech Adamkiewicz.
It drains the intercostal veins, although the posterior drainage is often handled by the azygous veins. [1] It terminates in the brachiocephalic vein. [2] It has a width of 2-3 mm. [3] There is either one or two internal thoracic veins accompanying the corresponding artery (internal thoracic artery). If internal thoracic vein is single, it ...
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