Eventually osteoblasts get activated and a process called ossification will start, which is when the fibrous tissue turns to bone.

最后成骨细胞活化，骨化过程启动，纤维组织最终转化为骨组织。

After a long period of ossification, the industry is entering a dynamic phase.

科技行业在经历了一段长时间的僵化期后，现在进入了一个充满活力的阶段。

In this process, collagen gets destroyed and replaced by fibrin, and ultimately ossification sets in, forming a " bamboo spine" on Xray or CT-scan.

在该病中，胶原被损毁并被纤维蛋白取代，最终骨化，在X线摄片或CT中脊椎呈“竹节样”改变。

An X-Ray and CT often show a bamboo spine, which is caused by the ossification of the annulus fibrosus on the outside of a straightened spine, giving it a hollow appearance!

X线摄片和CT通常可见“竹节样”改变；变直的脊柱外缘的纤维环骨化导致脊柱看起来像是空心的一样！

It can be congenital, meaning that the person is born with it, or acquired, usually due to degenerative disorders like ankylosing spondylitis, where the bones remodel causing intervertebral discs ossification, and the narrowing of the spinal canal.

它可能是先天性的，也就是说患者出生便有这种情况；或是获得性的，通常原因是退行性疾病，如强直性脊柱炎，导致骨重塑，引起椎间盘骨化，进而造成椎管狭窄。