释义 |
Koch triangle Koch tri·an·gle (kōk trī'ang-gĕl) A triangular area of the wall of the right atrium of the heart, which marks the approximate situation of the atrioventricular node. Koch, Walter, German surgeon, 1880–. Koch node - the mass of specialized cardiac muscle fibers that normally acts as the "pacemaker" of the cardiac conduction system. Synonym(s): sinuatrial nodeKoch triangle - a triangular area of the wall of the right atrium of the heart that marks the situation of the atrioventricular node. |