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  2. Right coronary artery - Wikipedia

    en.wikipedia.org/wiki/Right_coronary_artery

    The RCA also supplies the SA nodal artery in 60% of people. The other 40% of the time, the SA nodal artery is supplied by the left circumflex artery. [citation needed] Although rare, several anomalous courses of the right coronary artery have been described including origin from the left aortic sinus. [9]

  3. Coronary arteries - Wikipedia

    en.wikipedia.org/wiki/Coronary_arteries

    In approximately 33% of individuals, the left coronary artery gives rise to the posterior descending artery [4] which perfuses the posterior and inferior walls of the left ventricle. Sometimes a third branch is formed at the fork between left anterior descending and left circumflex arteries, known as a ramus or intermediate artery .

  4. Atrial branches of coronary arteries - Wikipedia

    en.wikipedia.org/wiki/Atrial_branches_of...

    The atrial branches of right coronary artery derive from the right coronary artery and provide part of the blood supply to the right atrium and left atrium. Although named for the right coronary artery in Terminologia anatomica , a portion of the blood supply to the atria derives from the Circumflex branch of left coronary artery .

  5. Arterial tree - Wikipedia

    en.wikipedia.org/wiki/Arterial_tree

    Inferior ulnar collateral artery. Ascending branches; Descending branches; radial artery. radial branches in the forearm; Radial recurrent artery; Palmar carpal branch of radial artery; Superficial palmar branch of the radial artery; radial branches at the wrist; Dorsal carpal branch of radial artery; First dorsal metacarpal artery; radial ...

  6. Sinoatrial nodal artery - Wikipedia

    en.wikipedia.org/wiki/Sinoatrial_nodal_artery

    Variant anatomy. The sinoatrial nodal artery, sinoatrial nodal artery or sinoatrial artery is an artery of the heart which supplies the sinoatrial node, the natural pacemaker center of the heart. It is usually a branch of the right coronary artery. [1] It passes between the right atrium, and the opening of the superior vena cava. [2]

  7. Coronary circulation - Wikipedia

    en.wikipedia.org/wiki/Coronary_circulation

    The circumflex artery arises from the left coronary artery and follows the coronary sulcus to the left. Eventually, it will fuse with the small branches of the right coronary artery. The larger left anterior descending artery (LAD), is the second major branch arising from the left coronary artery. It follows the anterior interventricular sulcus ...

  8. 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 ...

  9. Atrioventricular nodal branch - Wikipedia

    en.wikipedia.org/wiki/Atrioventricular_nodal_branch

    distal posterolateral branch from the right coronary artery in around 2%. [1] distal right coronary artery in around 10%. [1] right posterior interventricular artery in around 7%. [1] distal circumflex branch of left coronary artery in around 4%. [1] The right coronary artery supplies the atrioventricular node in around 90% of people. [1] [2]

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