髓管

The temporary closure must tightly seal the coronal trepanation opening between appointments, in order to prohibit any bacterialpenetration into the root canal system.

为避免细菌渗漏入根管系统，在根管治疗两次预约之间的暂封必须紧密封闭牙冠上开放的桶状开髓洞形。

METHODS: Bone of limbs were obtained under sterile condition, washed by PBS, centrifugalization, and dropwise into centrifuge tube containing 1.073 g/mL Percoll separating medium, centrifugalization, and then adding L-DMEM containing 10% fetal bovine serum, benzylpenicillin sodium and phytomycin, cultured in a incubator at 37 ℃ with 5% saturated humidity. The culture medium was renewed after 48 hours, and non-adhesive cells were removed.

无菌条件下截取流产胎儿双侧四肢骨，PBS冲洗髓腔，离心去脂肪及上清液，L-DMEM重悬细胞，沿管壁缓慢滴加至底部有等量1.073 g/mL Percoll分离液的离心管中，离心后吸取中间界面白膜层，加入含体积分数为10%的胎牛血清、青霉素钠、链霉素的L-DMEM完全培养基，接种后置于37 ℃、体积分数为5%的CO2饱和湿度孵箱内培养。48 h后换液，去除未贴壁细胞，以后每2 d换液一次。

The puerperant and her relatives all signed informed consents. METHODS: Bone of limbs were obtained under sterile condition, washed by PBS, centrifugalization, and dropwise into centrifuge tube containing 1.073 g/mL Percoll separating medium, centrifugalization, and then adding L-DMEM containing 10% fetal bovine serum, benzylpenicillin sodium and phytomycin, cultured in a incubator at 37 ℃ with 5% saturated humidity.

无菌条件下截取流产胎儿双侧四肢骨，PBS冲洗髓腔，离心去脂肪及上清液，L-DMEM重悬细胞，沿管壁缓慢滴加至底部有等量1.073 g/mL Percoll分离液的离心管中，离心后吸取中间界面白膜层，加入含体积分数为10%的胎牛血清、青霉素钠、链霉素的L-DMEM完全培养基，接种后置于37 ℃、体积分数为5%的CO2饱和湿度孵箱内培养。48 h后换液，去除未贴壁细胞，以后每2 d换液一次。

The pharmacokinetics of Hup A in blood and eerebrospinal fluid after intranasal, intravenous and intragastric adminstration to rats was studied using cisternal cannulation for serial CSF sampling and femoral artery cannulation for serial blood sampling.

以市售片剂和注射液为对照，用小脑延髓池插管法采集脑脊液，股动脉插管取血，测定其在大鼠脑脊液和血中药物动力学参数；用组织匀浆法，测定其在大鼠脑组织中的分布；用Morris水迷宫法、跳台法和避暗法试验其对大鼠和小鼠模型的药效。

METHODS:Treatment records of 1100 teeth with acute or chronic pulpitis or chronic apical periodontitis were compared.

选择患急、慢性牙髓炎和慢性根尖周炎 80 0例 110 0个患牙，随机分为两组，对照组 5 14牙采用常规根管治疗术即两次法，实验组 5 86牙采用一次法进行根管充填，观察各组术后近期临床反应。

Results 5 cases of ependymocytoma, 3 cases of astrocytoma, 1 medulloblastoma hemangioblastoma in 10 cases of intra-medullary tumor; 36 cases of neurogenic tumor, 11 cases of spinal meningioma in 47 cases of subdural extramedullary tumor; 2 cases of neurogenic tumor strided over scleromeninx;2 cases of extradural metastatic tumor, 1 cestodiasis, 2 cases of epidural hematoma, which were mistaken for hemangioma before surgical operation and 1 vascular malformation in 4 cases of intraspinal nontumorous occupying lesion.

结果：10例髓内肿瘤中，室管膜瘤5例；星形细胞瘤3例；血管母细胞瘤1例；成神经管细胞瘤1例。47例脊髓外硬膜下肿瘤中，神经源性肿瘤36例；脊膜瘤11例。2例跨硬膜内外生长的神经源性肿瘤2例。硬膜外的转移瘤2例。4例椎管内非肿瘤性占位性病变中，椎管内绦虫病1例；硬膜外血肿2例，术前误为血管瘤；血管畸形1例。

Results 5 cases central gaugliocytoma and 2 cases colloid cyst were located at middle line of ventricle,6 cases medulloblastoma were located at the top of the fourth ventricle or super cerebellum vermis,5 cases ependymoma were located at one lateral ventricle,3 cases ependymoma were located at the fouth ventricle,2 cases papilloma of choroid plexus werre located at triangle area of lateral ventricle,2 cases meningioma were located at triangle area of lateral ventricle,1 cases astrocytoma were located at lateral ventricle anterior horn.

结果 5例中央性神经细胞瘤和2例胶样囊肿发生于中线室间孔区；6例髓母细胞瘤分别发生于小脑上蚓部和四脑室顶部近中线区；5例室管膜瘤发生在单侧脑室，年龄分别为28～36岁；3例室管膜瘤发生在四脑室，年龄分别为7～13岁；2例脉络丛乳头状瘤发生侧脑室三角区，年龄13～15岁；2例脑膜瘤发生在侧脑室三角区，年龄为15～71岁，1例巨细胞型星形细胞瘤发生在右侧脑室底部，年龄为30岁。

The leaf mesophyll and the stem medulla and cortex consist of parenchyma.

叶肉、茎的髓部以及皮层均由薄壁组织构成，薄壁组织亦可存在于维管组织内；例如次生维管组织的射线。

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。

Methods In the treatment group,80 teeth of 150 cases were treated with the modified paste after the rountine drilling in the pulp canal and the enlarging and clearing of the root canal.

方法对 156例，180颗慢性根尖周围炎患牙常规开髓，清理扩大根管，采用自行配制的改良式复方根充糊剂行根管充填术。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。