Anatomy

Coronary Artery Anatomy

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Coronary Artery Anatomy, Cardiac Vessel, Coronary Vessel, Coronary Artery

  • Anatomy
  • Images
  1. CvAnatomyCoronary.gif
  2. cvCoronaryGrayBB492.gif Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  3. cvCoronaryOriginGrayBB497.gif Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  • Anatomy
  1. Heart vessel
    1. Intima (inner-most layer, lined by endothelium)
      1. Release Heparin, prostacyclin to prevent clots
    2. Media (smooth muscle layer)
      1. External elastic lamina seperates from adventitia
    3. Adventitia (outer-most layer)
      1. Composed of fibroblasts, collagen, proteoglycans
  2. Coronary Artery course
    1. Right Coronary Artery (RCA)
    2. Left Coronary Artery (LCA)
      1. Left anterior descending artery (LAD)
        1. Divides into diagonal branches
      2. Left circumflex artery (LCX)
        1. Divides into obtuse marginal branches