True about atrioventricular groove are all EXCEPT: (A) Contains left anterior descending coronary aery, (B) Also called coronary sulcus, (C) Contains right coronary aery, (D) Contains circumflex branch of left coronary aery
Answer is A. AV groove is aka coronary sulcus & it separates the atria from the ventricles. It contains the RCA on the right & the circumflex branch of left coronary aery on the left.