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The internal thoracic artery arises from the anterior surface of the subclavian artery near its origin. [2] [3] It has a width of between 1-2 mm. [4] It travels downward on the inside of the rib cage, approximately 1 cm from the sides of the sternum, [3] and thus medial to the nipple. It is accompanied by the internal thoracic vein.
The ICA supplies the brain. The ECA supplies the neck and face. The left subclavian artery and the right subclavian artery, one on each side of the body form the internal thoracic artery, the vertebral artery, the thyrocervical trunk, and the costocervical trunk. The subclavian becomes the axillary artery at the lateral border of the first rib.
The joint receives arterial supply via branches of the internal thoracic artery and the suprascapular artery. It is innervated via the medial supraclavicular nerve (superficially), and the nerve to subclavius (deeply).
The parasternal lymph nodes (or sternal glands) are placed at the anterior ends of the intercostal spaces, by the side of the internal thoracic artery.. They derive afferents from the mamma; from the deeper structures of the anterior abdominal wall above the level of the umbilicus; from the upper surface of the liver through a small group of glands which lie behind the xiphoid process; and ...
The triangles of the neck; The internal carotid artery; The arteries of the brain; The arteries of the upper extremity The subclavian artery; The axilla. The axillary artery; The brachial artery; The radial artery; The ulnar artery; The arteries of the trunk The descending aorta. The thoracic aorta; The abdominal aorta; The common iliac ...
internal capsule; internal carotid artery; internal cerebral vein; internal ear; internal iliac artery; internal iliac vein; internal jugular vein; internal laryngeal nerve; internal medullary lamina; internal oblique muscle; internal thoracic artery; internal thoracic veins; interneuron; internuncial; interosseus membrane; interpeduncular ...
Subclavian steal syndrome (SSS), also called subclavian steal steno-occlusive disease, is a medical condition characterized by retrograde (reversed) blood flow in the vertebral artery or the internal thoracic artery. This reversal occurs due to proximal stenosis (narrowing) or occlusion of the subclavian artery.
Neck pain, although felt in the neck, can be caused by numerous other spinal problems. Neck pain may arise due to muscular tightness in both the neck and upper back, or pinching of the nerves emanating from the cervical vertebrae. Joint disruption in the neck creates pain, as does joint disruption in the upper back.