What does the Costocervical trunk supply?
The costocervical trunk is a branch of the subclavian artery which supplies the upper extremities and contributes partly to the blood supply of the head and neck. The subclavian artery has a different origin on each side.
What is the brachiocephalic trunk?
The brachiocephalic artery, brachiocephalic trunk, or more commonly referred to clinically as the innominate artery, is one of the three great vessels of the aortic arch that supplies blood to the head, neck and upper extremities.
Where is subclavian artery located?
The subclavian arteries lie just below the clavicles, providing blood supply to the bilateral upper extremities with contributions to the head and neck. The right subclavian artery derives from the brachiocephalic trunk, while the left subclavian artery originates directly from the aortic arch.
What are the 3 parts of subclavian artery?
The subclavian artery becomes the axillary artery in the end, the arterial supply to the upper limb, regardless of which side of the body it is. During its course, it gives off several branches from each of its three respective regions: thoracic, muscular, and cervical regions.
Where is the costocervical trunk?
The costocervical trunk is an artery that supplies blood to the head and neck. A paired vessel that appears on both sides of the neck, this artery is a branch of the subclavian artery in the shoulder which delivers blood to the upper extremities.
Where does the costocervical trunk arise from?
subclavian artery
It arises from the posterior wall of the subclavian artery, posterior or medial to the anterior scalene muscle and courses posterosuperiorly across the suprapleural membrane where it divides into 2 branches: the superior (supreme) intercostal artery which supplies the first two posterior intercostal spaces.
Where does the brachiocephalic trunk drain into?
At the level of the inferior border of the 1st right costal cartilage, the left and right brachiocephalic veins converge to form the superior vena cava, which goes on to drain into the right atrium of the heart.
Why is it called brachiocephalic?
The brachiocephalic artery is a blood vessel that originates from the aortic arch. It feeds blood flow to the right carotid artery and the right subclavian artery. The name refers to the fact that blood flows through this very short artery to the arm (brachio) and the head (cephalic).
Is the subclavian artery a vertebral artery?
The usual branches of the subclavian on both sides of the body are the vertebral artery, the internal thoracic artery, the thyrocervical trunk, the costocervical trunk and the dorsal scapular artery, which may branch off the transverse cervical artery, which is a branch of the thyrocervical trunk.
What is a clavicle artery?
The subclavian artery is a major blood vessel located in the thorax (chest area) that functions to carry oxygen-rich blood from the heart to parts of the upper body, including the:2 Arms. Head. Neck. Segment of the brain with oxygenated blood.
Where does the subclavian artery become the axillary?
first rib
As the subclavian artery crosses the lateral border of the first rib, it becomes the axillary artery. On the right side the subclavian artery arises from the brachiocephalic (innominate) artery behind the right sternoclavicular articulation; on the left side it springs from the arch of the aorta.
Is costocervical trunk same as thyrocervical trunk?
The costocervical trunk is a short artery that usually stems from the upper portion of the distal segment of the subclavian artery, distal to the thyrocervical trunk. It courses posteriorly, over the apex of the lung, where it divides into two terminal branches; supreme intercostal and deep cervical arteries.