Highest intercostal artery

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Artery: Highest intercostal artery
The thoracic aorta, viewed from the left side
(highest intercostal artery labeled at upper right.)
Latin Arteria intercostalis suprema
Gray's p.585
Source Costocervical trunk
Vein Intercostal veins

The highest intercostal artery (supreme intercostal artery or superior intercostal artery) is an artery in the human body that usually gives rise to the first and second posterior intercostal arteries, which supply blood to their corresponding intercostal space. It usually arises from the costocervical trunk, which is a branch of the subclavian artery. Some anatomists may contend that there is no supreme intercostal artery, only a supreme intercostal vein.

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