A rich vascular anastomosis and a three-dimensional vascular architecture of internal and external part of mandible were thereby established through the accessory foramen of the mandible.

• 下颌骨骨膜动脉和肌动脉骨穿支经过下颌骨副孔穿入下颌骨内，与下牙槽动脉分支互相吻合，使下颌骨骨内与骨周围软组织间构成丰富的血管交通构筑。