<prompt> Branches of internal thoracic aery are all exceptSuperior epigastricMusculophrenicAnterior intercostalPosterior intercostal  <response>: Internal thoracic aeryIt arises from 1st pa of subclan aery and descends through anterior ends of upper six intercostal spaces lying 1.25 cm lateral to sternal margin.It divides into two terminal branches, musculophrenic and superior epigastric in 6th intercostal space.Branches of internal thoracic aery are i mediastinal branches, ii pericardial branches, iii sternal branches, iv pericardiophrenic branches, v anterior intercostal aeries in upper six spaces, vi perforating branches, and vii two terminal branches, musculophrenic and superior epigastric. 