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2. Right coronary artery - Wikipedia

   en.wikipedia.org/wiki/Right_coronary_artery

   The right coronary artery supplies oxygenated blood to the right atrium, the right ventricle, and the posterior third and inferior end of the interventricular septum. [ 2 ] [ 5 ] It may also supply 25% to 35% of the left ventricle (LV).

3. Coronary arteries - Wikipedia

   en.wikipedia.org/wiki/Coronary_arteries

   Ramus or intermediate artery; Right coronary artery. Right marginal artery; Posterior descending artery; The left coronary artery arises from the aorta within the left cusp of the aortic valve and feeds blood to the left side of the heart. It branches into two arteries, the left anterior descending and the left circumflex.

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. Coronary circulation - Wikipedia

   en.wikipedia.org/wiki/Coronary_circulation

   The right coronary artery proceeds along the coronary sulcus and distributes blood to the right atrium, portions of both ventricles, and the heart conduction system. Normally, one or more marginal arteries arise from the right coronary artery inferior to the right atrium. The marginal arteries supply blood to the superficial portions of the ...

6. 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 ...

7. Atrioventricular nodal branch - Wikipedia

   en.wikipedia.org/wiki/Atrioventricular_nodal_branch

   The atrioventricular nodal branch is a coronary artery that supplies arterial blood to the atrioventricular node, which is responsible for initiating muscular contraction of the ventricles. The AV nodal branch is most often a branch of the right coronary artery .

8. Sinoatrial nodal artery - Wikipedia

   en.wikipedia.org/wiki/Sinoatrial_nodal_artery

   The origin of the sinoatrial node artery is not related to coronary artery dominance, which means the side (right or left) that provides the circulation to the back of the heart. In contrast, the atrioventricular nodal branch, that is the artery that brings blood to the atrioventricular node, depends on coronary artery dominance. [citation needed]

9. Circulatory system - Wikipedia

   en.wikipedia.org/wiki/Circulatory_system

   The coronary circulation begins near the origin of the aorta by two coronary arteries: the right coronary artery and the left coronary artery. After nourishing the heart muscle, blood returns through the coronary veins into the coronary sinus and from this one into the right atrium.