(The Sri Lanka Medical Association. Colombo, 1994) Gajamange, N.; Perera, J.
Eighty hearts were dissected and the right and left coronary arteries, posterior interventricular branch and the sinuatrial nodal artery were identified. 'Dominancy' of the coronary arteries was determined according to the origin of the posterior interventricular branch. The origin of the sinuatrial nodal artery was analysed in relation to the 'dominancy' of the coronary arteries.
