Lecture
This lecture covers the anatomy of the intercostal muscles, spaces, and vessels. It explains the origin and insertion of the external, internal, and innermost intercostal muscles, as well as their innervation and functions. The lecture also discusses the branches of the thoracic aorta, the intercostal arteries, and veins. Additionally, it delves into the structure of the thoracic wall, the parietal and visceral pleura, and the relationship between the intercostal muscles and the diaphragm.