髓板

In the period of 8 to 16 weeks after operation,new bone was formed continuously, artificial bone gradually reconstructed to mature lamellar bone,bone trabeculae and medullary cavity,etc. Conclusion The preparation of CPC is simple.

结果 CPC植入后4周有新生软骨形成及未成熟的骨组织，可见大量的软骨细胞、成骨细胞、胶原组织及较多的小血管。8～16周新骨继续生成，人工骨逐渐改建为成熟的板层骨、骨小梁和髓腔结构。

Results There existed new cartilage and new immature bone tissue in the bone substitute in 4 weeks after operation, as well as mass of cartilageous cells,osteoblasts, collagen tissue and more small vessels were seen. In the period of 8 to 16 weeks after operation,new bone was formed continuously, artificial bone gradually reconstructed to mature lamellar bone,bone trabeculae and medullary cavity,etc.

结果 CPC植入后4周有新生软骨形成及未成熟的骨组织，可见大量的软骨细胞、成骨细胞、胶原组织及较多的小血管。8～16周新骨继续生成，人工骨逐渐改建为成熟的板层骨、骨小梁和髓腔结构。

Fenestration laminectomy of L3、5 and part of S1 was performed and the lower threshold dorsal rootlets of L2、3、5、S1 were selectively sectioned judging by electrical stimulation on the patients with lower extremities involved. Open-door laminaplasty of C5-7 and selective posterior rhizotomy of C5-8 were performed on 5 patients with upper limbs involved simultaneously in half a year. For 2 patients with lumbar stenosis or protrusion of intervertebral disc or unstable lumber, internal fixation of pedicle screw was performed while SPR.

针对下肢痉挛患者采用L3、L5及部分S1椎板开窗，通过电刺激测阈值法选择性切断部分L2、3、5，S1脊神经后根；5例合并上肢痉挛瘫患者半年后采用颈后C5~C7单开门法，选择性切断部分C5~C8脊神经后根。2例合并腰椎不稳定、椎管狭窄及腰椎间盘突出，则术中在行SPR的同时行椎管减压，突出椎间盘髓核摘除，并行经椎弓根内固定。

Histologic gradings were performed separately on nucleus pulposus, anulus fibrosus, and endplate according to the classification system proposed by Boos et al.

根据Boos等提出的分级系统分别对髓核、纤维环和终板进行组织学评分。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。