Left Atrium - Coronary Sinus

Cephalad view of the left atrium and mitral valve. The great cardiac vein, its tributaries from the lateral wall of the left ventricle (arrows) and the coronary sinus are shown. The great cardiac vein and coronary sinus course witin the adipos tissue that fills tha atrioventricular grove. Note that the coronary sinus is cephalad to the mitral annulus

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