Crista terminalis is present in -
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.
Left atrium
Left ventricle
Right atrium
Right ventricle
Pericardium & Heart