BREAST,ILLUSTRATION. BREAST,ILLUSTRATION Arterial and venous networks of the breast. The breast is vascularized by branches mammary arteries issue from the subclavian artery, the axillary artery, the lateral thoracic artery and the internal thoracic artery. The veins going to the breast carry the same names as the arteries subclavian vein,. This image is part of a series on the anatomy of the breast. See. Images 0288607 for the glandular tissue, 0289607 for the conjunctive tissue, 0289707 for th