Costomedial Sinus

What is the costomedial sinus? The costomedial sinus (also known as the mediastinal tubercle) is an anatomical structure that is located in the inner lining of the heart and in the mediastinum of the chest. It is an oval depression that has a point in the center of the cardiac abdomen and receives the artery of the diaphragm. It is often associated with myocardial infarction and pulmonary disease, as it can cause inflammation around the chest and heart.

What is the anatomical location of the costomedial sinus? The medial tubercle is located inside the chest and is covered by the chest wall in front. It is located posterior to the mediastinum, close to the sternum and the anterior border of the anterior wall of the chest cavity. Anatomically, the costal medial sinus is separated from the azygos vein and the tissue of the carina of the liver. In men, it contains the posterior arterial branch