The prolonged action potential of sympathetic ganglion cells in Ca-free media.
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概要
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Sympathetic ganglion cell membranes of cold- and warm-blooded animals are depolarized and initiate spontaneous repetitive firing of action potentials in Ca-free solutions containing a chelating agent. The depolarization of cell membranes and duration of these action potentials were increased progressively with time after preparations were perfused with this solution. These cells were able to produce action potentials forming a prolonged plateau phase even after spontaneous firing ceased completely while the membrane was strongly depolarized to -10 to -20 mV, provided membranes were previously hyperpolarized by extrinsic anodal currents.
- 久留米大学医学部 The Kurume Medical Journal 編集部の論文
著者
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Koketsu Kyozo
Department Of Physiology Kurume University School Of Medicine
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MINOTA Shoichi
Department of Physiology, Kurume University School of Medicine
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