What are the 20 events that occur at the sternal angle?

Answer 1

1. It is the level of the junction between the sternum body and its manubrium. This joint is a symphysis. There are a few symphyseal joints in the body and they include an early symphysis menti between the two mandibles and a symphysis pubis between the two pubic bones.

2. It represents the plane that separates the superior from the inferior mediastini.

3. It is the plane at which the bifurcation of the trachea.

4. It is the plane of the division of the pulmonary trunk.

5. It is the plane of the arch of aorta.

6. It is plane that contains the ligamentum arteriosum

7. The plane that contains superficial and deep cardiac plexuses

8. At this plane, the ascending thoracic duct escapes from the right to the left.

9. It is the plane of the junction of the 2nd sternocostal articulation.

10. It marks the level of the T4-T5 intervertebral disc.

11. The tracheal carina is deep to the sternal angle.

12. Left recurrent laryngeal nerve recurves below the ligamentum arteriosum.

13. The azygos vein enters the superior vena cava.