Subclavian artery

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Subclavian artery over the clavicle

The subclavian artery (" subclavian artery ") lies under the collarbone ( clavicle ) and supplies the entire blood supply to the arm. Some arteries for the head and neck area also branch off from it.

The subclavian artery arises in humans, dogs and pigs on the left from the aortic arch and on the right from the brachiocephalic trunk . It is also located - surrounded by the nerve cords of the brachial plexus - between the anterior scalenus muscle and the medius scalenus muscle ("posterior scalenus gap"). The artery is also accompanied by the subclavian vein of the same name , which lies slightly below, between the anterior scalenus muscle and the clavicle ("anterior scalenus gap"). As soon as the subclavian artery is deeper than the lower edge of the collarbone on its way to the side, it is in the armpit and is then called the axillary artery .

Along the way, there subclavian artery in humans first, the internal thoracic artery to the caudal and the vertebral artery to the cranial from; later the thyrocervical trunk , which divides into several arteries in the neck, and the costocervical trunk .

Individual evidence

  1. FCAT - Federative Committee on Anatomical Terminology: Terminologia Anatomica. Thieme, Stuttgart et al. 1998, ISBN 3-13-114361-4 .

Web links

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