Thoracic wall

Question 1

Arterial Supply of the Thoracic wall

Answer 1

Posterior intercostal (aorta) and anterior intercostal (internal thoracic)

Question 2

Venous drainage of the Thoracic wall

Answer 2

Intercostal drain into azygous system or internal thoracic vein.

Question 3

Nerve innervation of the Thoracic wall

Answer 3

Intercostal branches include anterior and lateral cutaneous branches.

Question 4

Lymphatic drainage of the Thoracic wall

Answer 4

Parasternal (anteriorly), intercostal (posteriorly) and diaphragmatic (inferiorly). Drain into bronchomediastinal trunk (superiorly) or thoracic duct (inferiorly).