Foramen of Langer transmits:
Perforating branches of internal mammary vessels
Axillary tail of Spence
Intercostal brachial nerve
- The foramen of Langer is a defect in the deep pectoralis fascia.
- It is a defect at the level of the third intercostal space, through which the upper lateral portion of the breast extends into the axilla forming the axillary tail of Spence.