The part of the body between the neck, upper limbs and abdomen

Framework of the thorax


bones: thoracic vertebrae, ribs, sternum

muscles: intercostals, transversus thoracis diaphragm

viscera: trachea, bronchi, lungs, pleurae, heart, pericardium, thymus

arteries: descending thoracic aorta, internal thoracic artery, anterior intercostal arteries, posterior intercostal arteries

nerves: intercostal nerves, subcostal nerve, vagus nerve, phrenic nerve, thoracic splanchnic nerves