The trabeculae carneae is present in: (A) Left atrium, (B) Left ventricle, (C) Right atrium, (D) Right ventricle
Answer is D. In right ventricle,the interior of the inflowing pa shows trabeculae carneae or muscular ridges of 3 types. 1.Ridges or fixed elevations. 2.Bridges 3.Pillars or papillary muscles Ref:B D Chaurasia's human anatomy,vol.1.