Anterior view of the heart with pericardium and great vessels.

Sternocostal surface of heart and vessels in situ. L. A. D. (left anterior descending branch of left coronary artery).

Anterior view of the pericardial sac and its relation to the sternum.

Anterior view of the thoracic cavity and ribcage showing the intercostal muscles and their bony attachments.

Inferior view of the roof of the pleural cavity with the pleura and heart removed.

Medial view of the mediastinal (medial) surface of the right lung showing respiratory bronchi and cardiac vessels.

Anterior view of inferior vena cava and its tributaries. These tributaries correspond to the branches of the aorta as in Fig 2. 100.

Anterior view of posterior thorax, descending aorta pulled slightly to left and azygos vein to right to reveal thoracic duct.

Anterior view (top) and transverse section (bottom) of development of pancreas. Here, a connecting segment unites the dorsal pancreatic duct to the ventral duct. Duodenal end of dorsal duct atrophies.

Two simple drawings of the liver, anterior view (top), posteroinferior view (bottom). In both, the segments of the liver are identified by Roman numerals.

Anterior view of thoracic area of male chest showing lungs and heart within ribcage. Left: tear in tracheobronchial tree has caused air to move into pleural space.

Right medial view of the mediastinum after the right lung has been removed. The costal and mediastinal pleurae have mostly been removed as well.

Anterior view of the vena cava and chest cavity.