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Left coronary artery

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Cardiovascular
CArdiac Vessels

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Left Coronary Artery

Left Coronary Artery, बायाँ कोरोनरी धमनी, 左冠状动脉, Left Coronary Artery, Левая коронарная артерия, الشريان التاجي الأيسر, Left Coronary Artery, Arteri Koroner Kiri, الشريان التاجي الأيسر, বাম করোনারি আর্টেরি, Left Coronary Artery, Ліва коронарна артерія, Sol Koroner Arter, الشريان التاجي الأيسر, Động mạch vương miện trái, หลอดเลือดดวงกามซ้าย
AR Figure 103 – Left coronary artery: Overview, Augmented Illustration by B. Leahu – MD. This image is licensed under the Creative Commons Attribution- NonCommercial-NoDerivs 3.0 Unported (CC BY-NC-ND 3.0)
  • Left coronary artery: This is the artery that originates from the left side of the Aorta. Most commonly, it bifurcates into two different arteries: the circumflex artery and the left anterior descending artery. It supplies oxygenated blood to the left part of the heart. (1,3)

Anterior interventricular artery

Left Coronary Artery: Septal Branches, बायाँ कोरोनरी धमनी: पारग, 左冠状动脉：中隔支, Left Coronary Artery: Septal Branches, Левая коронарная артерия: Септальные ветви, الشريان التاجي الأيسر: فروع الجدار البطيني, Left Coronary Artery: Septal Branches, Arteri Koroner Kiri: Cabang Septal, الشريان التاجي الأيسر: فروع الجدار البطيني, বাম করোনারি আর্টেরি: সেপ্টাল শাখা, Left Coronary Artery: Septal Branches, Ліва коронарна артерія: Септальні гілки, Sol Koroner Arter: Septal dallar, الشريان التاجي الأيسر: فروع الجدار البطيني, Động mạch vương miện trái: Nhánh ngăn bì, หลอดเลือดดวงกามซ้าย: สาขาหลอดเลือดกลางเยื่อ
AR Figure 104 – Left Coronary Artery: Septal branches, Augmented Illustration by B. Leahu – MD. This image is licensed under the Creative Commons Attribution- NonCommercial-NoDerivs 3.0 Unported (CC BY-NC-ND 3.0)
  • Anterior interventricular artery: This artery originates from the left main coronary artery, descends along the interventricular sulcus, and gives rise to other important branches. (1,2,3)
    • Conal branch of anterior interventricular artery: It is a small branch from the anterior interventricular artery that supplies the conus arteriosus, which is part of the right ventricle of the heart. (1,3)
    • Anterior ventricular branches of anterior interventricular artery: These branches of the anterior ventricular artery supply the anterior wall of the heart(2,3)
      • Diagonal branch of anterior interventricular artery: Most commonly, this artery branches off diagonally from the anterior interventricular artery to supply blood to the left side of the heart.(1,3)
    • Septal branches of anterior interventricular artery: These arteries branch off the anterior interventricular artery to supply a significant portion of the wall that divides the left and right ventricles of the heart, also known as the interventricular septum. (1, 3)

Circumflex artery of heart

Left Coronary Artery: Circumflex Artery, बायाँ कोरोनरी धमनी: परिश्रांत धमनी, 左冠状动脉：回旋支, Left Coronary Artery: Circumflex Artery, Левая коронарная артерия: Окружающая артерия, الشريان التاجي الأيسر: الشريان الدائري, Left Coronary Artery: Circumflex Artery, Arteri Koroner Kiri: Arteri Sirkumfleks, الشريان التاجي الأيسر: الشريان الدائري, বাম করোনারি আর্টেরি: সার্কামফ্লেক্স আর্টেরি, Left Coronary Artery: Circumflex Artery, Ліва коронарна артерія: Обхідна артерія, Sol Koroner Arter: Circumflex arter, الشريان التاجي الأيسر: الشريان الدائري, Động mạch vương miện trái: Động mạch vòng, หลอดเลือดดวงกามซ้าย: หลอดเลือดหวงกลาง.
AR Figure 105 – Left Coronary Artery: Circumflex artery, Augmented Illustration by B. Leahu – MD. This image is licensed under the Creative Commons Attribution- NonCommercial-NoDerivs 3.0 Unported (CC BY-NC-ND 3.0)
  • Circumflex artery of heart: The circumflex artery curves around the heart, supplying blood to the left atrium and the side and back of the left ventricle. (1,2,3)
    • Atrial branches of circumflex artery of heart: Atrial branches of circumflex artery of heart: The atrial branches of the circumflex artery supply blood to the left atrium of the heart. (2,3)
      • Atrial anastomotic branch of circumflex artery of heart: The atrial anastomotic branch is a connecting branch between the circumflex artery and other arteries supplying the left atrium.
    • Left marginal branch of circumflex artery of heart: The left marginal branch of the circumflex artery supplies blood to the lateral wall of the left ventricle. (1,2,3)
    • Inferior left ventricular branch of circumflex artery of heart: The inferior left ventricular branch of the circumflex artery descends to the inferior wall of the left ventricle, supplying it with blood. (2,3)

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Bibliography

  1. Schoepf U of the heart. J (U. J. CT Cardiac Anatomy. In: CT of the heart. Humana Press; 219AD. p. 227–35.
  2. Anderson, R. H., Spicer, D. E., Hlavacek, A. M., Cook, A. C., & Backer, C. L. (2013). Anatomy of the cardiac chambers. In Wilcox’s Surgical Anatomy of the Heart (4th ed., pp. 13–50). Cambridge University Press. https://doi.org/10.1017/CBO9781139028561.003
  3. Lüdinghausen M. The Clinical Anatomy of Coronary Arteries. Springer Berlin Heidelberg; 2003. 1–88 p.

The structure and organization of anatomical terms used in this text follow the guidelines provided by FIPAT (2019) in their publication: FIPAT. (2019). Terminologia Anatomica (2nd ed.). FIPAT.library.dal.ca. Federative International Programme for Anatomical Terminology. Retrieved May 7, 2023, from https://fipat.library.dal.ca/TA2/