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| | Center for Computational Biology |
 | | Tarrant, S. and Routtenberg, A., The synaptic spinule in the dendritic spine. | | | Thus, for a passive spine, the effect of these increases in spine stem resistance is to reduce the EPSP amplitude and area at the spine base, and hence the efficacy of the synapse. | | | Parameters specifying the morphology of the spine and. |
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http://cns.montana.edu/research/pub/synamp85
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| | Biophysical Journal: Calcium Dynamics in Dendritic Spines and Spine Motility |
| | In a simplified model of the spine, its geometry is characterized by the length and diameter of the spine neck and by the radius of the spine head (Fig. | | | The relation between spine shape and calcium homeostasis is not entirely clear but the rules governing the dynamics of calcium diffusion in the spine have been studied both experimentally and theoretically (Bonhoeffer and Yuste, 2002; Nimchinsky et al., 2002; Shepherd, 1996). | | | The contraction of the spine head induces a flow field of the cytoplasmic fluid, which in turn pushes the ions, thus speeding up their movement in the spine. |
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http://www.findarticles.com/p/articles/mi_qa3938/is_200407/ai_n9429102
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| | Session Abstract #16 |
| | Geometry of the spine is one of the likely candidates to affect electrical or chemical signaling between the spine head and the adjacent dendrite. | | | A clear difference was found between the long and short spines in latency, magnitude and similarity in the Ca2+response in the parent dendrite in the case of EPSP associated- calcium change. | | | Dendritic spines of central neurons are believed to play an important role in cell plasticity mechanisms. |
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http://medic.bgu.ac.il/ispp/session_abstract_16.htm
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| | Dendritic Spines |
| | As spines are stimulated with for example NMDA, calcium flows into the spine (through the NMDA receptor) and this leads to the slowing of actin cycling. | | | Dekker-Ohno, K. (1996) Endoplasmic reticulum is missing in dendritic spines of Purkinje cells of the ataxic mutant rat., Brain Res. | | | Two distinct cytoskeletal zone are present actin is concentrated in the spine its self while microtubules are excluded and present only as bi -polar arrays within the dendritic processes. |
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http://www.bms.ed.ac.uk/research/others/smaciver/Cyto-Topics/dendritic_spines.htm
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| | 3DMA-neuron |
| | Attached spines are detected as local protrusions of a dendritic surface. | | | The principal components of the fine structure analysis consist of spine detection, morphological characterization of each spine, and dendritic radius determination. | | | The dots represent spines associated with the dendrites. |
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http://www.ams.sunysb.edu/~cweaver/3dma/3dma.html
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| | Dendritic Spines |
| | *Further information on the subject of dendritic spines may be found in lab publications. | | | notion is rather scarce, due to the fact that the small size of the spine prevents systematic electrophysiological analysis. | | | Our studies, therefore, focused on rapid changes in calcium concentration within the spines as a function of synaptic activity. |
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http://www.weizmann.ac.il/home/bnsegal/spines.html
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| | Synapse Web - Publications: Review Articles |
| | Harris KM (1999) Structure, development, and plasticity of dendritic spines. | | | Sorra KE, Fiala JC, Harris KM (1998) Critical assessment of the involvement of perforations, spinules, and spine branching in hippocampal synapse formation. | | | Lisman J, Harris KM (1993) Quantal analysis and synaptic anatomy - integrating two views of hippocampal plasticity. |
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http://synapses.mcg.edu/pubs/reviews.htm
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| | Fragile-X Syndrome Linked With Abnormal Dendritic Spine Characteristics Your Neurology Community |
| | "There seems to be a grossly decreased amount of maturation of brain cell connections in fragile-X syndrome, as evidenced by our findings of increased numbers of immature- looking dendritic spines and a decreased number of mature-looking spines in both the temporal and visual cortical areas," Dr. Irwin said. | | | We subscribe to the HONcode principles of the Health On the Net Foundation | | | WESTPORT, CT, Feb 19 (Reuters Health) - Patients with fragile-X syndrome exhibit abnormal morphology and number of dendritic spines in the temporal and visual cortical areas, researchers report in the January issue of the American Journal of Medical Genetics. |
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http://www.neurologychannel.com/NeurologyWorld/02192001_fragile.shtml
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| | Mriganka Sur Lab at MIT Publications and Neuroscience Abstracts |
| | Majewska, A. and Sur, M. Motility of dendritic spines in visual cortex in vivo: changes during the critical period and | | | Oray, S., Majewska, A. and Sur, M. Dendritic spine dynamics are regulated by monocular deprivation and extracellular matrix degradation. |
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http://web.mit.edu/msur/www/publications.html
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| | dendritic spine - definition of dendritic spine by the Free Online Dictionary, Thesaurus and Encyclopedia. |
| | dendritic spine - definition of dendritic spine by the Free Online Dictionary, Thesaurus and Encyclopedia. | | | dendritic spine is not available in the general English dictionary and thesaurus. | | | This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. |
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http://www.thefreedictionary.com/dendritic+spine
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| | ipedia.com: Dendrite Article |
| | In such dendrites the voltage change that results from stimulation at a synapse may extend both towards and away from the soma. | | | The structure and branching of a neuron's dendrites strongly influences how it integrates the input from many others, particularly those that input only weakly (more at synapse). | | | In biology, a dendrite is a slender, typically branched projection of a nerve cell, or "neuron," which conducts the electrical stimulation received from other cells to the body or soma of the cell from which it projects. |
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http://www.ipedia.com/dendrite.html
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| | Synapse |
| | They also provide the means through which the nervous system connects to and controls the other systems of the body. | | | At a prototypical synapse, such as a dendritic spine, a mushroom-shaped bud projects from each of two cells and the caps of these buds press flat against one another. | | | The pre-synaptic nerve terminal generally buds from the tip of an axon, while the post-synaptic target surface typically appears on a dendrite, a cell body or another part of a cell. |
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http://encyclopedia.jigyasa.in/wikipedia/s/sy/synapse.html
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