Obstructive lung disease. Obstructive lung disease is a category of respiratory disease characterized by airway obstruction. Many obstructive diseases of the lung result from narrowing of the smaller bronchi and larger bronchioles, often because of excessive contraction of the smooth muscle itself.
Thoracic outlet syndrome (TOS) is a condition caused by compression of nerves or blood vessels in the thoracic outlet, the area between the base of the neck and the armpit, including the front of the shoulders and chest. Vascular. This can be a compression of the artery and vein.
Thoracic aorta: The thoracic aorta is a section of the aorta, the largest artery in the body, within the chest. Specifically, the thoracic aorta is that part of the aorta that starts after the arch of the aorta and runs down to the diaphragm, the great muscle that separates the chest from the abdomen.The thoracic aorta gives off numerous branches that supply oxygenated blood to the chest cage and the organs within the chest.Like the other sections of the aorta (the ascending aorta, aortic arch and abdominal aorta), the thoracic aorta is an arbitrary anatomic entity.The aorta is one continuous conduit that stems from the left ventricle of the heart to carry blood to most of the body.he thoracic aorta gives off numerous branches that supply oxygenated blood to the chest cage and the organs within the chest. Like the other sections of the aorta (the ascending aorta, aortic arch and abdominal aorta), the thoracic aorta is an arbitrary anatomic entity.