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Anatomy photo:20:09-0106 at the SUNY Downstate Medical Center - "Heart: The Left Coronary Artery and its Branches" Anatomy figure: 20:04-02 at Human Anatomy Online, SUNY Downstate Medical Center - "Posterior view of the heart." "Obtuse marginal artery". Medcyclopaedia. GE. Archived from the original on 2012-02-05. Image at texheartsurgeons.com
The right marginal arteries perfuse the right ventricle and the posterior descending artery perfuses the left ventricular posterior and inferior walls. There is also the conus artery , which is only present in about 45 percent of the human population, and which provides collateral blood flow to the heart when the left anterior descending artery ...
The right marginal branch is the largest branch to split off from the right coronary artery. [1] [2] It often anastomoses with the nearby parallel posterior interventricular artery, which itself is usually a continuation of the right coronary artery. [3]
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The marginal arteries supply blood to the superficial portions of the right ventricle. On the posterior surface of the heart, the right coronary artery gives rise to the posterior interventricular artery, also known as the posterior descending artery.
Marginal artery can refer to: Marginal artery of the colon, also known as the artery of Drummond; Right marginal branch of right coronary artery, a branch of the right coronary artery that follows the acute margin of the heart; Left marginal artery, a branch of the circumflex artery, traveling along the left margin of 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 ...
Within this margin can be found the obtuse marginal artery, which is the a branch of the left circumflex artery. It extends from a point in the second left intercostal space , about 2.5 mm. from the sternal margin , obliquely downward, with a convexity to the left, to the apex of the heart .