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Topic: Dentate gyrus



  
 dentate gyrus
Dendritic atrophy in the dentate gyrus of the senescent rat.
Hypertrophy of astroglial processes in the dentate gyrus of the senescent rat.
Loss of synapses in the dentate gyrus of the senescent rat.
http://www.arclab.org/node_pages/1579.html   (3739 words)

  
 Recurrent Excitatory Connectivity in the Dentate Gyrus of Kindled and Kainic Acid-Treated Rats -- Lynch and Sutula 83 ...
Glutamate microstimulation in the dentate gyrus of kindled rats
Patrylo, P. and Dudek, F. Physiological unmasking of new glutamatergic pathways in the dentate gyrus of hippocampal slices from kainate-induced epileptic rats.
Glutamate microstimulation in the dentate gyrus of kainic acid-treated rats
http://jn.physiology.org/cgi/content/full/83/2/693   (8108 words)

  
 Spatial Learning and Long-Term Potentiation in the Dentate Gyrus of the Hippocampus in Animals Developmentally Exposed ...
the response evoked in the dentate gyrus to stimulus pulses
monitoring of the response evoked in the dentate gyrus, following
Key Words: Aroclor 1254; Long-Evans rats; spatial learning; hippocampus; long-term potentiation (LTP); polychlorinated biphenyls (PCBs); rat; dentate gyrus.
http://toxsci.oxfordjournals.org/cgi/content/full/57/1/102   (6952 words)

  
 Unique Expression Patterns of Cell Fate Molecules Delineate Sequential Stages of Dentate Gyrus Development -- Pleasure ...
The dentate gyrus is the primary afferent pathway into the hippocampus and thus has a crucial role in the circuitry of the
migrating to the dentate to form the tertiary matrix.
The asterisks mark the location of the tertiary matrix.
http://www.jneurosci.org/cgi/content/full/20/16/6095   (7201 words)

  
 Reelin is a positional signal for the lamination of dentate granule cells -- Zhao et al. 131 (20): 5117 -- Development
gyrus, the marginal zone of this brain region, is a cell-poor
(F) By contrast, when a rat dentate gyrus is co-cultured with P0 reeler dentate gyrus, a granular layer and a compact `commissural' projection (arrowheads) have formed.
marginal zone of the dentate gyrus, was further confirmed in
http://dev.biologists.org/cgi/content/full/131/20/5117   (6689 words)

  
 The chemokine SDF1 regulates migration of dentate granule cells -- Bagri et al. 129 (18): 4249 -- Development
The dentate gyrus is the primary afferent pathway into the hippocampus,
the migratory pathways to the dentate gyrus, either at the origin
gyrus, a forebrain structure crucial for learning and memory.
http://dev.biologists.org/cgi/content/full/129/18/4249   (8773 words)

  
 In Vivo Chronoamperometric Measures of Extracellular Serotonin Clearance in Rat Dorsal Hippocampus: Contribution of ...
In the dentate gyrus, sham rats received 13 ± 4 pmol 5-HT, whereas
To illicit signals with comparable amplitude and time course, 6 ± 1 and 5 ± 3 pmol of 5-HT were pressure ejected into the dentate gyrus of 5,7-DHT- and 6-OHDA-lesioned rats respectively, whereas sham-lesioned rats received 13 ± 4 pmol 5-HT.
As observed in intact rats, neither fluvoxamine nor DMI alone altered signal amplitude in the dentate gyrus in any neurotoxin
http://jpet.aspetjournals.org/cgi/content/full/286/2/967   (6678 words)

  
 Depotentiation in the Dentate Gyrus of Freely Moving Rats is Modulated by D1/D5 Dopamine Receptors -- Kulla and ...
gyrus of freely moving rats has not been characterized.
Tarazi FI, Tomasini EC, Baldessarini RJ (1999) Postnatal development of dopamine D1-like receptors in rat cortical and striatolimbic brain regions: an autoradiographic study.
dentate gyrus in vivo, whereas LFS given at time points later
http://cercor.oxfordjournals.org/cgi/content/full/10/6/614   (4583 words)

  
 UPENN :: SMELL AND TASTE CENTER
Masukawa, L.M., Burdette, L.J., McGonigle, P., Wang, H., O’Connor W., Sperling, M.R., O’Connor, M.J., Uruno, K. Physiological and anatomical correlates of the human dentate gyrus: consequences or causes of epilepsy.
http://www.med.upenn.edu/stc/publications2.html   (2958 words)

  
 CNFA-project 4
Project 4 includes a component to study changes in human dentate gyrus vs. Ammon's horn volume that relates to clinical work in Projects 1 and 2 and will be supported by the Quantitative Morphometry Core (QMC) under the direction of Dr. Patrick Hof at Mt. Sinai.
*39) Gould, E. and Cameron, H.A. Early NMDA receptor blockade impairs defensive behavior and increases cell proliferation in the dentate gyrus of developing rats, Behavioral Neurosci.
The hippocampus is an important part of limbic circuits subserving anxiety and fear; and hippocampal malfunction may contribute to cognitive impairment in anxiety disorders 45,89.
http://www.cns.nyu.edu/CNFA/proj_4.htm   (3794 words)

  
 Extracellular pH Responses in CA1 and the Dentate Gyrus During Electrical Stimulation, Seizure Discharges, and ...
dentate gyrus, the mean half-time of recovery in vitro was 31.4
This may "unmask" an alkalinization in the dentate gyrus, as has
), but glia in the dentate gyrus have not been
http://jn.physiology.org/cgi/content/full/83/6/3519   (3870 words)

  
 Neurogenesis After Transient Global Ischemia in the Adult Hippocampus Visualized by Improved Retroviral Vector -- ...
and in dentate gyrus by intraventricular infusion of GFP expressing
EGFP retroviral vector may enhance our understanding of neurogenesis
Neurogenesis in dentate subgranular zone and rostral subventricular zone after focal cerebral ischemia in the rat.
http://stroke.ahajournals.org/cgi/content/full/35/6/1454   (2978 words)

  
 APStracts 4:0033N, 1997.
To explore these possible epileptogenic mechanisms, electrophysiological and anatomical methods were used to examine the dentate gyrus network in adult rats that had been treated systemically with kainic acid.
Neuron loss in the hilus of the dentate gyrus and granule cell axon reorganization have been proposed as etiological factors in human temporal lobe epilepsy.
In summary, this study reveals functional abnormalities in the dentate gyrus of epileptic kainate- treated rats; however, lateral inhibition persists, suggesting that vulnerable hilar neurons are not necessary for generating lateral inhibition in the dentate gyrus.
http://www.uth.tmc.edu/apstracts/1997/jn/February/33n.html   (440 words)

  
 Quantitative, three-dimensional analysis of granule cell dendrites in the rat dentate gyrus.
Quantitative, three-dimensional analysis of granule cell dendrites in the rat dentate gyrus.
The three-dimensional organization of dentate granule cell dendritic trees has been quantitatively analyzed with the aid of a computerized microscope system.
The dendrites were visualized by iontophoretic injection of horseradish peroxidase into individual granule cells in the in vitro hippocampal slice preparation.
http://www.utsa.edu/claibornelab/Compneuro_1990.html   (1053 words)

  
 Proliferation of granule cell precursors in the dentate gyrus of adult monkeys is diminished by stress -- Gould et al. ...
Neurogenesis in the dentate gyrus has been most extensively studied in the adult and developing rat brain.
of precursor cells in the dentate gyrus can be affected by an
gyrus raises questions about volume changes in the human dentate
http://www.pnas.org/cgi/content/full/95/6/3168   (3981 words)

  
 Olympus FluoView Resource Center: Confocal Gallery - Rat Brain Tissue Sections
Additional Confocal Images of Rat Dentate Gyrus Tissue Sections
The dentate gyrus is one of the components of the hippocampal formation, a telencephalic structure chiefly situated in the temporal lobe that functions in learning and memory consolidation.
The granule cells of the dentate gyrus primarily receive input from the entorhinal cortex, a part of the limbic association cortex that accepts signals from higher-order association areas of the cerebral cortex and other areas of the limbic association cortex.
http://www.olympusfluoview.com/gallery/ratbrain/dentategyrus.html   (663 words)

  
 context :: december 2003
In order to understand the involvement of the hippocampal formation in the mediation of normal and pathological behaviors, much attention has recently been devoted to hippocampal neurogenesis.
The dentate gyrus of the hippocampal formation has the ability to generate new neurons on a daily basis throughout life.
Surviving de novo produced cells develop into granule neurons and integrate into the functional circuitry.
http://www.straddle3.net/context/03/en/2003_12.html   (2461 words)

  
 Dentate gyrus - Wikipedia, the free encyclopedia
The dentate gyrus is also one of the few regions of the brain where neurogenesis takes place.
Neurogenesis is thought to play a role in the formation of new memories.
The medial perforant path synapses onto the proximal dendritic area of the granule cells, while the lateral perforant path does it onto the distal dendrites of these same cells.
http://en.wikipedia.org/wiki/Dentate_gyrus   (449 words)

  
 Neuropeptide Y regulated by c-fos in murine dentate gyrus - Neuroscience : Epilepsy.com
As NPY is an important endogenous anti-epileptic agent, our result is consistent with a hypothesis that the neuroprotective function of c-fos is mediated in part by regulation of NPY expression, the investigators concluded.
According to researchers in the United States, [e]xcitotoxicity by which excitatory amino acid induces neuronal cell death may underlie mechanisms of neurodegenerative diseases.
We found that c-fos is critical in upregulation of NPY expression in the granule cell layer of dentate gyrus in response to KA administration.
http://www.epilepsy.com/newsfeed/pr_1091107800.html   (350 words)

  
 Hippocampal (Dentate Gyrus) Connectivity Model of Epilepsy (ResearchIndex)
1 Functional alterations in the dentate gyrus demonstrated by..
Hippocampal (Dentate Gyrus) Connectivity Model of Epilepsy (ResearchIndex)
Granule cell and mossy cell models had 2 compartments, while the aspiny cell model neuron had 1.
http://citeseer.ist.psu.edu/436361.html   (405 words)

  
 dentate gyrus - definition of dentate gyrus by the Free Online Dictionary, Thesaurus and Encyclopedia.
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dentate gyrus is not available in the general English dictionary and thesaurus.
http://www.thefreedictionary.com/dentate+gyrus   (87 words)

  
 dentate gyrus
gray matter situated above the gyrus hippocampi; composed of three layers; molecular layer is continuous with the hippocampus in the hippocampal fissure; granular layer consists of closely arranged spherical or oval neurons, called granule cells, whose axons pass through the polymorphic layer ending on the dendrites of pyramidal cells in the hippocampus.
http://crisp.cit.nih.gov/Thesaurus/00002221.htm   (52 words)

  
 Entorhinal cortex of the monkey: V. Projections to the dentate gyrus, hippocampus, and subicular complex.
Injections of 3H-amino acids were placed at various positions within the entorhinal cortex and the distribution of anterogradely labeled fibers and terminals within the other fields of the hippocampal formation was determined.
The topographic and laminar organization of entorhinal projections to the dentate gyrus, hippocampus, and subicular complex was investigated in the Macaca fascicularis monkey.
Injections of the retrograde tracers Fast blue, Diamidino yellow, and wheat germ agglutinin-horseradish peroxidase (WGA-HRP) were also placed into the dentate gyrus, hippocampus, and subicular complex, and the distribution of retrogradely labeled cells in the entorhinal cortex was plotted using a computer-aided digitizing system.
http://brainmeta.com/neuroanat/a104.html   (264 words)

  
 Role of dentate gyrus granule cells in temporal lobe epilepsy
The dentate gyrus granule cells play an important role in filtering transfer of neuronal activity from the entorhinal cortex to the hippocampus, thereby preventing spread and build up of epileptiform activity originating in the entorhinal cortex.
The most prominent mechanisms mediating this inhibitory function, beside GABAergic synaptic inhibition, are potassium conductances/channels (gKs) activated following action potential firing and mediating adaptation of firing and a fast, a medium and a slow afterhyperpolarization (AHP).
Role of dentate gyrus granule cells in temporal lobe epilepsy
http://www.hu-berlin.de/forschung/fober/deutsch/PJ/PJ1999992154.html   (245 words)

  
 McKinnon: Atm-dependent cell death in the dentate gyrus
Cell death after ionizing radiation is seen in the dentate gyrus of the hippo-
McKinnon: Atm-dependent cell death in the dentate gyrus
ISEL staining after ionizing radiation reveals extensive apoptosis in WT but not in Atm-/- granule cells.
http://stjude.org/genetics-tumor-cell-biology/0,2524,416_2218_4234,00.html   (204 words)

  
 The Neuroinformatics Portal Pilot - Dentate gyrus
Plone makes heavy use of CSS, which means it is accessible to any internet browser, but the design needs a standards-compliant browser to look like we intended it.
Cerebral cortex, CA3, Subcallosal area, CA1, Limbic lobe, Hippocampal formation, Hippocampus proper, CA2, Subicular complex, Parahippocampal gyrus, Retrosplenial cortex, Cingulate gyrus, Dentate gyrus
http://www.neuroinf.de/kw_storage/dentate_gyrus   (86 words)

  
 BRAIN NEUROTRANSMITTERS
Nitric oxide can act as neuromodulator when glutamate stimulation of NMDA receptors results in nitric oxide synthesis and release -- enhancing neurotransmitter release from adjacent synapses.
Granule cells of the dentate gyrus of the hippocampus are rich in nitric oxide synthetase.
http://www.benbest.com/science/anatmind/anatmd10.html   (6622 words)

  
 tail of dentate gyrus - OneLook Dictionary Search
We found 2 dictionaries with English definitions that include the word tail of dentate gyrus:
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tail of dentate gyrus - OneLook Dictionary Search
http://www.onelook.com/?w=tail+of+dentate+gyrus   (94 words)

  
 podg
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http://podg.eros.waw.pl   (1468 words)

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