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The two main branches are the left coronary artery and right coronary artery. The arteries can additionally be categorized based on the area of the heart for which they provide circulation. The arteries can additionally be categorized based on the area of the heart for which they provide 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 ...
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.
The remaining anterior two-thirds is supplied by the left anterior descending artery, which is a branch of left coronary artery. It is typically a branch of the right coronary artery (70%, known as right dominance). Alternately, the PDA can be a branch of the circumflex coronary artery (10%, known as left dominance) which itself is a branch of ...
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]
The circumflex artery curves to the left around the heart within the coronary sulcus, giving rise to one or more left marginal arteries (also called obtuse marginal branches) as it curves toward the posterior surface of the heart. It helps form the posterior left ventricular branch or posterolateral artery.
Solved pulmonary artery line too thin: 22:55, 22 November 2020: 1,047 × 673 (366 KB) Jmarchn: Better draw: Added Pulmonary artery, blue color for venous blood and text to path layer. 17:16, 22 November 2020: 1,047 × 673 (95 KB) Jmarchn: Solved label alignment problem: 17:05, 22 November 2020: 1,047 × 673 (97 KB) Jmarchn: Better draw.
fibular artery (sometimes from popliteal artery) communicating branch to the anterior tibial artery; perforating branch to the posterior tibial artery; medial plantar artery; lateral plantar artery; sural artery; medial superior genicular artery. Branch to vastus medialis; Branch to surface of the femur and the knee-joint; lateral superior ...