Left subclavian artery
Left Subclavian Artery
The Left Subclavian Artery is a major artery of the upper body, supplying blood to the left arm. It originates from the Aortic Arch and runs through the neck, chest, and shoulder.
Structure[edit | edit source]
The left subclavian artery arises from the aortic arch, behind the left common carotid artery. It ascends in the neck to the level of the thyroid cartilage, and then descends to the first rib's lateral border. Here it becomes the Axillary Artery.
Branches[edit | edit source]
The left subclavian artery gives off several branches:
Clinical Significance[edit | edit source]
The left subclavian artery can be involved in several pathological conditions, such as Subclavian Steal Syndrome and Aortic Dissection.
See Also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD
