Where does the right internal thoracic vein drain?
The right internal thoracic (mammary) vein is seen draining directly into the superior vena cava.
What are the tributaries of internal thoracic vein?
Superior vena cava tributaries are the azygos vein and small veins from the pericardium and other mediastinal structures.
What vein receives blood from internal thoracic vein?
The internal thoracic veins are venae comitantes of each internal thoracic artery draining the territory supplied by it and usually unite opposite the third costal cartilage. This single vein enters the corresponding brachiocephalic vein.
What is the function of internal thoracic vein?
Function. The internal thoracic vein drains the chest wall and the breasts.
What is internal thoracic artery?
The internal thoracic artery, aka the internal mammary artery, supplies the breast and the anterior chest wall. The internal thoracic artery travels along the inner surface of the anterior chest wall on both sides.
Which vein drains the thorax?
The azygos vein drains the posterior thoracic and abdominal wall, and is formed by the confluence of the ascending lumbar veins and the right subcostal vein at vertebral level T12. The azygos vein arches over the right main bronchus, in order to join the superior vena cava.
Where is the intercostal vein?
The intercostal veins are a group of veins which drain the area between the ribs (“costae”), called the intercostal space. Intercostal spaces, viewed from the left. Posterior intercost veins that drain into the Superior intercostal vein – 2nd, 3rd, and 4th intercostal spaces.
Where is internal jugular vein?
The internal jugular vein is a run-off of the sigmoid sinus. It arises in the posterior cranial fossa and exits the cranium through the jugular foramen, located at the base of the skull.
What is posterior intercostal vein?
The posterior intercostal veins are veins that drain the intercostal spaces posteriorly. They run with their corresponding posterior intercostal artery on the underside of the rib, the vein superior to the artery. Each vein also gives off a dorsal branch that drains blood from the muscles of the back.
What is left superior intercostal vein?
The left superior intercostal vein forms by the union of the 2nd to 4th left posterior intercostal veins. It courses superiorly to the left of the midline, arches posteriorly lateral to the aortic arch to drain into the left brachiocephalic vein. It typically communicates with the accessory hemiazygos vein.
What gives rise to internal thoracic artery?
The internal thoracic artery originates from the first part of the subclavian artery. It arises as the second branch, proximal and inferior to the thyrocervical trunk and distal to the vertebral artery.