Crista terminalis is present in -: (A) Left atrium, (B) Left ventricle, (C) Right atrium, (D) Right ventricle
Answer is C. Ans. is 'c' i.e., Right atrium o Crista terminalis (divides the right atrium into anterior and posterior part) is a ridge of smooth muscle fibers extending from the SVC to valve of IVC.o It is developed from embryonic right venous valve and is represented on the surface by sulcus terminalis.