Results 261 to 270 of about 4,864,845 (302)
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Cholinergic pharmacology of mammalian hippocampal pyramidal cells
Neuroscience, 1982Responses of CAl pyramidal cells to cholinergic compounds were recorded with intracellular microelectrodes in guinea-pig hippocampal slices. Perfusion of slices with medium containing the muscarinic antagonists atropine or scopolamine (10(-7)-10(-6)M) blocked all actions of acetylcholine.
L S, Benardo, D A, Prince
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Basilar dendrite bundles of giant pyramidal cells
Experimental Neurology, 1974Abstract Giant pyramidal cells of Betz from primary motor cortex and large solitary cells of Meynert from the visual cortex appear to share certain characteristics including extraordinary length of their basilar dendrites and the organization of these dendrite shafts into bundles.
M E, Scheibel +3 more
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Reduced compartmental models of neocortical pyramidal cells
Journal of Neuroscience Methods, 1993Model neurons composed of hundreds of compartments are currently used for studying phenomena at the level of the single cell. Large network simulations require a simplified model of a single neuron that retains the electrotonic and synaptic integrative properties of the real cell.
P C, Bush, T J, Sejnowski
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Mechanisms of Electrical Coupling Between Pyramidal Cells
Journal of Neurophysiology, 1997Vigmond, Edward J., Jose L. Perez Velazquez, Taufik A. Valiante, Berj L. Bardakjian, and Peter L. Carlen. Mechanisms of electrical coupling between pyramidal cells. J. Neurophysiol. 78: 3107–3116, 1997. Direct electrical coupling between neurons can be the result of both electrotonic current transfer through gap junctions and extracellular fields ...
E J, Vigmond +4 more
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Cholinergic excitation of mammalian hippocampal pyramidal cells
Brain Research, 1982Responses of CA1 pyramidal neurons to ACh were recorded with intracellular microelectrodes utilizing the in vitro guinea pig hippocampal slice preparation. ACh was delivered by drop or iontophoretic application to stratum oriens or stratum radiatum. Threshold dose for drop application was 1 mM.
L S, Benardo, D A, Prince
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Mysterious hexagonal pyramids on the surface of Pyrobaculum cells
Biochimie, 2015In attempts to induce putative temperate viruses, we UV-irradiated cells of the hyperthermophilic archaeon Pyrobaculum oguniense. Virus replication could not be detected; however, we observed the development of pyramidal structures with 6-fold symmetry on the cell surface. The hexagonal basis of the pyramids was continuous with the cellular cytoplasmic
Rensen, Elena +2 more
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Pyramid power: Principal cells of the hippocampus unite!
Brain Cell Biology, 2007Electrical transmission in the mammalian brain is now well established. A new study by Thomson and colleagues elegantly demonstrates coupling between CA1 hippocampal pyramidal cells, which is far more common than previously supposed. Although the history of coupling is extensive, doubt, predjudice, and technical issues long kept it from wide acceptance.
Michael V L, Bennett, Alberto, Pereda
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Some Mechanisms Controlling Hippocampal Pyramidal Cells
1983Publisher Summary Early studies of the neuromuscular junction and on motoneurons formed certain classical concepts about mechanisms controlling excitable cells. Excitation was shown to be caused by a relatively non-specific permeability increase of the synaptic membrane (“short-circuit”), while inhibition was shown to be because of a specific ...
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Granulovacuolar degeneration of hippocampal pyramidal cells
The Journal of Pathology, 1972B E, Tomlinson, D, Kitchener
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The Pyramidal Cell during Hippocampal Seizure
Epilepsia, 1961E R, KANDEL, W A, SPENCER
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