Subclavian-artery
noun, Anatomy.
1.
either of a pair of arteries, one on each side of the body, that carry the main supply of blood to the arms.
subclavian artery n.
An artery originating on the left from the aortic arch and on the right from the brachiocephalic artery with branches to the vertebral artery, the thyrocervical trunk, the internal thoracic artery, the costocervical trunk, and the descending scapular artery, and directly continuous with the axillary artery.
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- Subclavian muscle
subclavian muscle n. A muscle with origin from the first costal cartilage, with insertion into the inferior surface of the acromial end of the clavicle, with nerve supply from the subclavian nerve, and whose action steadies the clavicle or elevates the first rib.
- Subclavian nerve
subclavian nerve n. A branch arising from the superior trunk of the brachial plexus and supplying the subclavius muscle.
- Subclavian steal
subclavian steal n. Obstruction of the subclavian artery proximal to the origin of the vertebral artery. Blood flow through the vertebral artery is reversed, causing symptoms of cerebrovascular insufficiency.
- Subclavian steal syndrome
subclavian steal syndrome n. Cerebrovascular insufficiency resulting from subclavian steal.
- Subclavian triangle
subclavian triangle n. The triangle bounded by the clavicle, by the omohyoid muscle, and by the sternocleidomastoid muscle, containing the subclavian artery and vein. Also called omoclavicular triangle.