This e-Anatomy module is dedicated to the anatomy of the thorax lungs pleura heart aorta thoracic lymph nodes and other relevant anatomical structures using a normal thorax CT. Structures including the bronchus bronchial veins and arteries pulmonary artery two of the pulmonary veins pulmonary plexus of nerves anterior and posterior and lymphatic vessels bundle together to form the root of the lungs 9 10This root not only connects the two lungs. Surface Anatomy Of The Lungs Lateral The base which is also the diaphragmatic surface of the lungs rests on the thoracic part of the diaphragm. . The lungs are located in the chest on either side of the heart in the rib cageThey are conical in shape with a narrow rounded apex at the top and a broad concave base that rests on the convex surface of the diaphragm. The cartilage and mucous membrane of the primary bronchi are similar to that in the trachea. The apex of a cows right lung is much larger th...