| 词汇 | membrane-potential |
| 释义 | BETA membrane potentialcollocation in Englishmeanings of membraneand potentialThese words are often used together. Click on the links below to explore the meanings. membrane noun[ C or U ] usuk /ˈmem.breɪn/ anatomy a thin piece of skin that covers or connects parts of a person's or ... See more at membrane potential noun[ U ] uk /pəˈten.ʃəl/ us /poʊˈten.ʃəl/ someone's or something's ability to develop, achieve, ... See more at potential Examples of membrane potentialmembrane potential Only far away from the illumination border, where the membranepotential reaches its full-field values, did the three parameters also reach their full-field values. When an output signal emitted from the mechanoreceptor arrives at the neuron, a change occurs in the membranepotential. Excessive influx is prevented by maintenance of a normal membranepotential. We found an increased response when the membranepotential was depolarized and a decreased response when the membranepotential was hyperpolarized. The electrode picked up the membranepotential showing negative value when it penetrated the membrane of a cell. We need to ask: which inputs to relay cells are likely to produce such sustained changes in membranepotential? A color-coded map of the model cell morphology indicates the membranepotential within the model. The presence of the spike accelerated their response kinetics and enhanced the peak membranepotential of bipolar cells. We were tempted, therefore, to examine whether the current contributes to the resting membranepotential. The channels open and close with millisecond time constants, allowing them to respond rapidly to changes in the membranepotential. The cocktail and barium solutions also differed in their effect on the membranepotential of the cell and its input resistance. Similar effects were observed when the membranepotential was simply depolarized by steady current. This irreversibly permeabilizes the membrane to cations, depolarizing the cell to "0" membranepotential. In none of the cells was there a consistent effect on membranepotential or resistance. The channel also displays fast activation and inactivation kinetics, which would ensure that changes in membranepotential exert immediate and continuous control over calcium influx. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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