生长锥
- 名growth cone;growing tip
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木贼的整个茎尖可相当于蕨类生长锥中大的顶端细胞。
The entire shoot apex of a horsetail could fit into the large apical cell in the growing tip of a fern .
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幼穗生长锥伸长期至雌雄蕊分化期为光敏核不育谷子育性转换敏感期。
To the millet , the sensitive stage during which male fertility and sterility would be converted into each other was from the stage of growing tip lengthening to the stage of stamen and pistil differentiation .
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因此,肌浆球蛋白II产生的收缩力对于形成生长锥颈的正常微管束至关重要。
These results reveal a role for Rho Kinase and myosin II contractility in regulation of microtubule behavior during neuronal growth .
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GnRH神经元多为双极,有些突起末端可见生长锥。
There were growth cones on the end of GnRH processes .
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低温和短日春化处理对小麦幼苗生长锥内脱落酸(ABA)含量的影响
Effects of vernalization treatment of sort day and low temperature on the ABA content in young spike of Wheat
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Ptc,而不是Shh,表达在体外培养的生长锥中。
Ptc , not Shh was expressed in growth cones in retinal explant culture .
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神经生长锥内α-spectrin与F-actin的免疫细胞化学研究
Immunocytochemical study of α - spectrin and F-actin in nerve growth cones
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目的探索神经纤维蛋白(Neurofilamentprotein,NFP)在神经生长锥的表达及其机能意义。
Objective To investigate the expression and functional significance of neurofilament protein ( NFP ) in the nerve growth cones .
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Rho能通过作用于肌动蛋白骨架系统引起轴突生长锥塌陷,从而抑制轴突生长。
Rho can induce growth cones collapse and inhibit axonal outgrowth by regulating the actin cytoskeleton .
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目的为了探讨α血影蛋白(αspectrin)和纤维型肌动蛋白(Factin)在神经生长锥激烈运动与神经生长过程中的作用机制。
Objective To study the mechanism of α - spectrin and F-actin in the movement and development changes of nerve growth cones .
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本试验在小麦生长锥伸长期和小花突起期,在小麦茎间下居间分生组织中注射外源DNA,受体小麦当代出现供体小麦的性状。
Exogenous DNA was injected into the intercalary meristem at stages from elongating of apical cones to differentiation of floret apex of winter wheat . In this generation ( H_0 ), the plants of acceptors appeared the characters of donors .
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Nogo-66受体在神经元生长锥中的表达
Expression of Nogo-66 receptor protein in nerve growth cones
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结果显示:(1)体外实验SC可促进NSC向神经元转化,并促进神经元生长锥生长和延长。
Results : ( 1 ) In vitro , Sc improve NSC to transform into neurons and it also can improve the growth of neural axon .
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Slit为中枢神经系统中线胶质细胞所分泌的一类可扩散的大分子蛋白质,具有排斥发育中的神经生长锥,诱导细胞迁移,促进轴突生长与分支形成的作用。
A breed of extracellular glycoprotein secreted by glia in nervous system , Slit is capable of repelling axon in growth , inducing cell migration , and facilitating the growth and branching of axons .
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结果在Bcl-2/GFAP-TK双转基因小鼠中存在免疫荧光阳性的再生视神经轴突,再生轴突计数为71.99±24.04,并可见生长锥(growthcone)样结构,但是再生轴突纤维未能延伸达到大脑靶器官。
Results The remarkable optic nerve regeneration and the growth cone-like structure were found and the regenerated axon count was 71.99 ± 24.04 in Bcl-2 / GFAP-Tk double transgenic mice after GCV administration and optic nerve crushing , but the axon reached into the brain was found .
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目的探索钮蛋白(vinculin)在神经生长锥形态变化和神经生长过程中的作用机制。
Objective To study the mechanism of vinculin in the process of nerve growing and morphologic changes of nerve growth cones .
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在双目实体显微镜下,分别切取含有生长锥及1、2、3和4个叶原基的茎尖分生组织嫁接到黄化砧木上,以获得茎尖微芽嫁接苗,用PCR进行黄龙病分子检测。
With the binoculars and stereoscopic microscope , the meristem of shoot-tips containing growing cone and 1,2,3 or 4 leaf primordia separately were grafted on etiolated rootstocks to obtain shoot-tip grafted plantlets . And the pathogen of Citrus Yellow Shoot was determined by PCR technique .
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内在和外在的影响因素同时参与了处于发育中的轴突生长锥对Netrins的反应性的变化。
A combination of both intrinsic and extrinsic influences seems to be responsible for the developmental change in growth cone response to Netrins .
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方法采用免疫双荧光染色法,以荧光显微镜观察NFP在初代培养脊神经节细胞生长锥的表达及其定位特征。
Method We observed the expression and location of NFP in the nerve growth cones of primarily cultured chicken embryo spinal ganglion cells by using double immunofluorescent method with fluorescent microscope .
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在神经系统发育过程中,生长锥在细胞膜上表达不同受体感知周围环境中的netrin蛋白,从而决定神经突起的延伸(即诱向生长)或缩回(即斥向生长)。
During the development of nervous system , growth cones sense netrins as either attraction or repulsion cues , depending upon different receptors expressed on cell membranes .
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神经纤维蛋白在神经生长锥的表达和定位
Expression and Location of Neurofilament Protein in the Nerve Growth Cones
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钮蛋白在神经生长锥的三维分布及其机能意义
Three-dimensional distributions and significance of vinculin in nerve growth cones
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小麦生长锥发育形态的观察
Observation on developmental morphology of shoot apex in Wheat
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在生长锥顶端有二层外套细胞。
There are 2 lagers of mantle cells at the tip of growing point .
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生长锥进一步形成突起,形成明显的三层原套。
Growth cone then form obvious three tunicas .
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流体静力称衡法测定生长锥取样木材密度的改进方法
An Improved Density Determining Method of the Increment Core Sampling Wood Using Hydrostatic Weighing Techniques
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神经细胞生长锥沿一定路径生长,最后到达其正确的靶位。
Neuronal growth cones navigate over long distances along specific pathways to find their correct targets .
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生长锥分化各时期的差异随着植株的生长而逐渐减小。
Early sowing produces different effects on the development stages and the differentiation of the growing cone .
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引导分子的浓度梯度和神经营养因子直接诱导当地的生长锥和它们的轴突的变化。
Gradients of guidance cues and neurotrophic factors induce localized directional changes in growth cones and their axons .
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这表明的更为寻常的效果是在细胞骨架而不是轴突的生长锥上。
This suggests more general effects of semaphorins on the cytoskeleton , apart from effects on axonal growth cones .