中脑

The activity of Cre recombinase is predominantly detected in the midbrain, diencephalon and olfactory bulb in the SCC4.4-iCre transgenic brain. However, it only can be observed in the caudal part of the midbrain in the SCC2.7-iCre brains. The results suggest that CYP11A1 gene expression could be differentially regulated in different regions of the brain.

结果发现，4.4 kb与2.7 kb之CYP11A1启动子皆可使Cre重组酶表现於胚胎脑部，前者主要表现在中脑、间脑及嗅球，后者仅主要表现在中脑尾端，说明了CYP11A1在不同脑区表现所需的元素有所不同，可能有不同的调控机制。

Hepcidin mRNA was expressed in the mice brain.Total RNA was extracted from choroid plexus, cerebral cortex, diencephalon and mesencephalon, cerebellum, medulla oblongata and pons in mice. RT-PCR analysis demonstrated that hepcidin mRNA was expressed in all areas of mouse brain, in choroid plexus the mRNA expression was highest, although its level is generally lower than that of liver. The PCR products were purified and verified the sequence.

小鼠脑内有hepcidin基因表达提取小鼠脑脉络丛、大脑皮层、间脑及中脑、小脑和脑桥与延髓组织总RNA进行RT-PCR表明，大脑皮层、间脑和中脑、小脑、脑桥与延髓、脉络丛均有hepcidin表达，其中以脉络丛表达较高，但与肝脏相比，表达量较低。

AbstractThe present study was to observe the effect of diethylstilbestrol on fetal rat mesencephalic NSCs in vitro, the mesencephalon of fetal mice at embryonic day 14 was collected and made into suspension.

为观察己烯雌酚对体外培养的胎鼠中脑神经干细胞增殖分化的影响，将孕14 d的SD大鼠胎鼠中脑取出，制成单细胞悬液行悬浮培养，5 d后行NSCs鉴定、传代及诱导分化实验。

On magnetic resonance imaging, PSP is characterized by atrophy of the midbrain tegmentum. The atrophy of the rostral MT, when detected by mid-sagittal MRI, looks like the bill of hummingbird and is therefore referred to as the "hummingbird" sign.

在MRI上PSP表现为中脑被盖部萎缩；在正中矢状位上，中脑被盖部嘴缘的萎缩看起来像是蜂鸟的鸟嘴，因此称为"蜂鸟征"。

The mid-sagittal MRI in PSP patients includes the regions of the most rostral midbrain, the midbrain tegmentum, the pontine base, and the cerebellum, and these images on MR appear to correspond to the bill, crown, body, and wing, respectively, of a hummingbird.

PSP患者的中脑嘴、中脑被盖部、脑桥基底部、小脑再MRI正中矢状位上看起来分别与蜂鸟的鸟嘴、鸟颈、鸟身、鸟翼相似。

After varied survival periods, the model mice were sacrificed to get the specimens of SN fixed, embedded and coronally sectioned continuously. The microsections were processed by immunohistochemistry to label the DA neurons and Calbindin D28k-containing neurons with the antibodies against tyrosine hydroxylase and CR respectively. The labeled cells were counted under microscope and analyzed statistically.

模型动物存活1周后，一部分取其中脑黑质节段，固定、包埋做连续冠状石蜡切片，以免疫组织化学染色方法，显示各组酪氨酸经化酶和钙结合蛋白表达阳性细胞，光镜观察并细胞计数，统计学分析；另一部分取其中脑黑质组织匀浆，行TH、CB的Westem blot免疫印迹方法检测，用LabWorks软件分析处理。

Following brain stem injury,the number of GFAP-positive astrocytes in cerebral cortex and pervent-ricular area,dorsomedial and ventro-medial pafts of midbrain at 30 min antemortem,and in periventricular area,dorsomedial part of pens,dorso-medial and ventro-medial part of medulla oblongata at 60 min antemortem.

采取针刺法造成实验大白鼠脑干损伤，用免疫组织化学LSAB法检测大脑、中脑、桥脑及延髓等不同部位脑组织中胶质原纤维酸性蛋白的改变。结果发现，生前损伤30min，大脑顶部灰质及中脑腹例中央部的GFAP阳性星形胶质细胞数目增多；生前损伤60min，除大脑顶部灰质及中脑腹侧中央部外。

Rat ventral mesencephalic precursors can be induced to differentiate into plenty of tyrosine hydroxylase-positive DNs, mainly originating in A10 regions.

大鼠腹侧中脑多巴胺能前体细胞可在体外大量诱导分化成酪氨酸羟化酶阳性的主要源自中脑腹侧被盖区(A10)的多巴胺能神经元。

Results 45-51% of the nerve fibers innervating the superior rectus muscle in rats of group Ⅰ and 81-87% in group Ⅱ came from the neuron in contralateral midbrain, and the distribution of the neurons in midbrain was closer to normal rats in group Ⅱ than group Ⅰ.

结果 实验Ⅰ组大鼠支配上直肌的神经纤维有45%~51%由对侧中脑运动神经元发出；实验Ⅱ组81%~87%由对侧中脑运动神经元发出，神经元在中脑的分布更接近正常大鼠。

Variation types of anterior cerebral artery is not bilateral symmetry .

动脉瘤患者中脑血管变异者为83%，脑血管畸形者中脑血管变异者占12%，脑梗死及脑出血中脑血管变异者占1.6%。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐