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  2. Pulmonary artery - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_artery

    The pulmonary trunk splits into the right and the left main pulmonary artery. [5] The left main pulmonary artery is shorter than the right, [1] passes behind and downwards the descending aorta and above the left main bronchus to the root of the left lung. Above, the left main pulmonary artery is connected to the concavity of the proximal ...

  3. Pulmonary circulation - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_circulation

    Image showing main pulmonary artery coursing ventrally to the aortic root and trachea. The right pulmonary artery passes dorsally to the ascending aorta, while the left pulmonary artery passes ventrally to the descending aorta. De-oxygenated blood leaves the heart, goes to the lungs, and then enters back into the heart. [2]

  4. Ligamentum arteriosum - Wikipedia

    en.wikipedia.org/wiki/Ligamentum_arteriosum

    The ligamentum arteriosum (arterial ligament), also known as Botallo's ligament, Harvey's ligament, and Botallo's duct, [1] is a small ligament attaching the aorta to the pulmonary artery. [ clarification needed ] It serves no function in adults but is the remnant of the ductus arteriosus formed within three weeks after birth .

  5. Atrium (heart) - Wikipedia

    en.wikipedia.org/wiki/Atrium_(heart)

    The left atrial appendage can serve as an approach for mitral valve surgery. [16] The body of the left atrial appendage is anterior to the left atrium and parallel to the left pulmonary veins. The left pulmonary artery passes posterosuperiorly and is separated from the atrial appendage by the transverse sinus. [17]

  6. Ascending aorta - Wikipedia

    en.wikipedia.org/wiki/Ascending_aorta

    The ascending aorta is covered at its commencement by the trunk of the pulmonary artery and the right auricula, and, higher up, is separated from the sternum by the pericardium, the right pleura, the anterior margin of the right lung, some loose areolar tissue, and the remains of the thymus; posteriorly, it rests upon the left atrium and right ...

  7. Bronchial artery - Wikipedia

    en.wikipedia.org/wiki/Bronchial_artery

    Bronchial artery is considered dilated when its diameter is more than 2 mm. Several causes of bronchial artery dilatations are: congenital heart or lung diseases, obstructions of pulmonary artery, and lung inflammation. [1] The bronchial arteries are typically enlarged and tortuous in chronic pulmonary thromboembolic hypertension. [3]

  8. Ventricular outflow tract - Wikipedia

    en.wikipedia.org/wiki/Ventricular_outflow_tract

    A ventricular outflow tract is a portion of either the left ventricle or right ventricle of the heart through which blood passes in order to enter the great arteries. [1]The right ventricular outflow tract (RVOT) is an infundibular extension of the ventricular cavity that connects to the pulmonary artery.

  9. Anatomy of the human heart - Wikipedia

    en.wikipedia.org/wiki/Anatomy_of_the_human_heart

    The heart is a muscular organ situated in the mediastinum.It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left ...