from III to XI intercostal spaces;
2. a. a. phrenicae superiores
blood supply diaphragm and pleuraRami viscerales:
1.Rami bronchiales (2-4) –go to hilum pulmonis, supply bronchi, lungs, anastomouses with branches of pulmonary arteries;
2.Rami esophageae(3-4)- to thoracic part of esophagus;
3.Rami mediastinales-supply lymphatic nodes of posterior mediastinalis;
4. Rami pericardiaci – to pericardium