The trabeculae carneae is present in
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.
Left atrium
Left ventricle
Right atrium
Right ventricle
Thorax