نتایج جستجو برای: rectifying circuit

تعداد نتایج: 117799  

Journal: :Redescriptions: Political Thought, Conceptual History and Feminist Theory 2013

2014
Victoria A. Baronas Harley T. Kurata

Inwardly-rectifying potassium (Kir) channels contribute to maintenance of the resting membrane potential and regulation of electrical excitation in many cell types. Strongly rectifying Kir channels exhibit a very steep voltage dependence resulting in silencing of their activity at depolarized membrane voltages. The mechanism underlying this steep voltage dependence is blockade by endogenous pol...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1991
D H Edwards W J Heitler E M Leise R A Fricke

The lateral giant (LG) tail-flip escape system of crayfish is organized to provide a massive convergence of mechanosensory inputs onto the LG command neuron through electrical synapses from both mechanosensory afferents and interneurons. We used electrophysiological techniques to show that the connections between three major mechanosensory interneurons and LG rectify, and that their inputs to L...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2005
Xixi Chen Daniel Johnston

A diversity of ion channels contributes to the active properties of neuronal dendrites. From the apical dendrites of hippocampal CA1 pyramidal neurons, we recorded inwardly rectifying K+ channels with a single-channel conductance of 33 pS. The inwardly rectifying K+ channels were constitutively active at the resting membrane potential. The amount of constitutive channel activity was significant...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1993
E A Newman

The voltage- and K(+)-dependent properties of Müller cell currents and channels were characterized in freshly dissociated salamander Müller cells. In whole-cell voltage-clamp experiments, cells with endfeet intact and cells missing endfeet both displayed strong inward rectification. The rectification was similar in shape in both groups of cells but currents were 9.2 times larger in cells with e...

Journal: :Molecular and Cellular Endocrinology 2015
M. P. da Silva R. M. Merino A. S. Mecawi D. J. Moraes W. A. Varanda

The phenotypic differentiation between oxytocin (OT)- and vasopressin (VP)-secreting magnocellular neurosecretory cells (MNCs) from the supraoptic nucleus is relevant to understanding how several physiological and pharmacological challenges affect their electrical activity. Although the firing patterns of OT and VP neurons, both in vivo and in vitro, may appear different from each other, much i...

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