方骨方骨骨骼名称，即骶骨。《伤科汇纂》卷二：“男女腰间，各有一骨，大如掌，有八孔，……即方骨也”,“……方骨一节，在尾蛆骨之上”。
而另一方面，首先出现喙形结构和最早尾综骨(用于支持羽毛的融合尾椎骨)的孔子鸟与现代鸟类之间几乎不存在什么不一样的地方。
On the other hand, Confuciusornis, which possessed the first beak and earliest pygostyle, or fused tail vertebrae that supported feathers, truly looks like a bird.
比如，你可以做很多结构上的变动-把方下巴变窄，把突出的眉骨改成不那么突出。
For instance, you can make lots of structural changes - taking a broader chin and more prominent eyebrow bones and changing them to a smaller chin and a less prominent eyebrow bones.
别一方面，自体骨移植是通过连接段的软骨内骨化和移植表面的骨膜成骨愈合。
Autografts on the other hand heal by endochondral ossification at these interfaces, and by membranous bone formation along the graft surface.
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