Conclusions: the posterior medullary arteries arise mostly alone. We should give attention to the great posterior medullaryartery.
结论：多数后髓动脉单独起始，较大的后髓动脉应引起注意。
2
It is a general practice of the orthopaedic surgeons to strip the periosteum, to ream the medullary cavity etc, which may easily cause injury of the nutrient artery of the long bones.
骨膜剥离和髓腔扩大是骨科手术中常用的操作方法，滋养动脉在手术中受到损伤时也需结扎。
3
Objective:To observe the histomorphologica l outcome of medullary ischemia caused by anterior spinal cord artery injury, research the pathologic mechanism.