在组织的发育、改建和修复的过程中 ,离不开生长因子的参与作用。特别是在骨骼的形成、骨折的愈合与骨骼的改建过程。股骨头坏死是一个十分复杂的过程 ,在坏死骨的修复与重建的过程之中 ,血管与骨的新生是一个病理逆转的关键。而骨的新生又离不开血管的新生 ,目前探明的与血管 In the process of tissue development, remodeling and repair, the participation of growth factors is indispensable. Especially in the formation of bones, the healing of bone fractures and bone remodeling. Femoral head necrosis is a very complicated process. During the process of repairing and reconstructing necrotic bone, the renewal of blood vessels and bones is the key to pathological reversal. The new bones are inseparable from the blood vessels of the newborn, the current proven and blood vessels