A pulmonary artery is an artery in the pulmonary circulation that carries deoxygenated blood from the right side of the heart to the lungs. The largest pulmonary artery is the main pulmonary artery or pulmonary trunk from the heart, and the smallest ones are the arterioles, which lead to the capillaries that surround the pulmonary alveoli.

Your main pulmonary artery (pulmonary trunk) connects to your right ventricle at your pulmonary valve at the front of the heart. From there, it leaves your heart and travels upward along the left side of your ascending aorta. Beneath your aortic arch, your main pulmonary artery splits into the right pulmonary artery and left pulmonary artery.

2023年6月28日 · How blood returns to the lungs to pick up oxygen. The pulmonary arteries are the two major arteries coming from right ventricle of your heart. Their job is to carry low-oxygen blood from the heart to the lungs. There, the blood is enriched with oxygen (oxygenation), and excess carbon dioxide is removed.

2023年10月30日 · The pulmonary artery is superior to the pulmonary vein and has firmer, thicker walls compared to the latter. Function. While veins usually carry deoxygenated blood from tissues back to the heart, in this case, pulmonary veins are among the few veins that carry oxygenated blood instead. Oxygenated blood from the lungs is circulated back to the ...

2023年7月24日 · The main pulmonary artery and the subsequent right and left pulmonary arteries sit within the middle mediastinum. They arise from the right ventricle of the four-chambered heart and transport blood to the lungs. De-oxygenated blood from the body's somatic cells travels to the right atrium, then into the right ventricle, and through the main pulmonary artery and its …

2020年11月1日 · Pulmonary artery function is to transport deoxygenated blood from the right side of the heart to the lungs. The pulmonary vein returns newly-oxygenated blood to the left side of the heart. Just as in the cardiovascular system, the arterial and venous systems are connected through a network of smaller arterioles, venules, and capillaries.

2018年12月13日 · Arteries are vessels that carry blood away from the heart. The main pulmonary artery or pulmonary trunk transports blood from the heart to the lungs. While most major arteries branch off from the aorta, the main pulmonary artery extends from the right ventricle of the heart and branches into left and right pulmonary arteries.

2022年6月30日 · Your pulmonary artery is a large artery that exits your heart and branches out into both of your lungs. It carries blood from your heart into your lungs, where it can be reoxygenated. In this article, we talk about where the pulmonary artery is located and what it does. We talk about different medical conditions associated with the pulmonary ...

2023年5月1日 · The arterial circuit arises from the main pulmonary artery arising from the right ventricle and runs a course of only 5 cm before dividing into right and left main branches and many subsequent branches to form an extensive network of small arteries, arterioles, and capillaries.The pulmonary arteries are thinner (one-third the thickness of their counterpart …

2024年6月7日 · Here are five things to know about pulmonary artery function and how it relates to pulmonary hypertension (PH) and pulmonary arterial hypertension (PAH). 1. Pulmonary Arteries Are the Only Arteries in the Body That Carry Oxygen-Poor Blood.