Subclavian artery

The subclavian artery ( " Subclavian artery " ) is below the collarbone ( clavicle ) and delivers the entire blood supply to the arm. Also, some arteries of the head and neck go away from her.

The subclavian artery arises in humans, dogs and pigs left brachiocephalic from the aortic arch, right out of the trunk. Furthermore, it is - surrounded by the nerve cords of the brachial plexus - between the anterior scalene muscle, and the musculus scalenus medius ( " posterior scalene "). The artery is also accompanied by the same subclavian vein, the below something between the anterior scalene muscle and the clavicle ( " anterior scalene " ) is located. Once the subclavian artery on its way to the side occurs deeper than the lower edge of the clavicle, it is located in the armpit and is then called the axillary artery.

On their way, the subclavian artery are humans first, the internal thoracic artery inferiorly and the vertebral artery in the cranial direction from; later the thyrocervical trunk, which divides into several arteries of the neck, and the trunk costocervical.

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