Lecture
This lecture covers the anatomy of the thoracic wall, focusing on the intercostal muscles, spaces, and vessels. It explains the origin and insertion of the external, internal, and innermost intercostal muscles, their innervation, and functions. The lecture also discusses the intercostal spaces, arteries, and veins, detailing their branches and anatomical relationships. Additionally, it explores the role of the thoracic aorta, subcostal artery, and superior phrenic arteries in the blood supply of the thoracic region, along with the sympathetic trunk and spinal nerves. The presentation includes diagrams and tables to aid in understanding the complex structures of the thoracic wall.