How To Use Action potential In A Sentence
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First, we found that action potentials in hippocampal neurons were initiated not only at the axon hillock, as in motor neurons, but also at a second site, which we inferred to be the apical dendrites.
Eric R. Kandel - Autobiography
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Much as current flows through a wire, these impulses, known as action potentials, travel down the axon from its origin near the cell body to its terminal.
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This starts the process of impulse/action potential generation in the postsynaptic neuron or receptor cell.
Neurotoxicity
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This traveling wave of altered electrical potential is called an action potential, more commonly known as a nerve impulse.
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In the acute isolated bullfrog sciatic nerve, the amplitude, conductivity and refractory period of the action potential were also observed respectively after administration.
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These spikes of energy, called action potentials, prompt the locusts to take evasive action.
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This reduction reflected the shunting and reduced amplitude of the antidromic action potential by the inhibition.
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Loss of gar - 3 function speeds up the repolarization of the terminal bulb muscles and shortens action potentials.
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TRPV1 can detect noxious stimulus and convert it into action potentials traveling to the central and forming pain sensation.
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Voltage-sensitive Na + channels are responsible for the upstroke of the action potential in excitable cells.
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The normal conduction of action potentials is reliant upon sodium channels.
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Signals are transmitted around the nervous system, along the fibres of nerve cells, in the form of electrical impulses called action potentials.
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The tetrodo-toxin produced has a selective blocking effect on nerve action potentials.
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To cross this gap, an action potential must be converted from an electrical signal to a chemical signal.
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By contrast, the H2S donor NaHS significantly enhanced the frequency of action potentials of colon specific DRG neurons evoked by 2 times rheobase electrical stimulation.
BioMed Central - Latest articles
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Methods: By recording the action potential of sciatic trunk and contract curve of sural muscle of hoptoad, and checking the time of fatigue in nerve center, neuro-muscular junction and muscle.
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Electrical action potentials, osmotic perturbations or chemical signals may trigger these waves.
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To cross this gap, an action potential must be converted from an electrical signal to a chemical signal.
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Action potentials almost always generate large increases in intracellular calcium to exert any biological effect such as the release of neurotransmitters to excite or inhibit the next neuron in the pathway.
Roger Y. Tsien - Autobiography
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In the acute isolated bullfrog sciatic nerve, the amplitude, conductivity and refractory period of the action potential were also observed respectively after administration.
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The wave of depolarization/action potential is propogated from one end (dendritic end) to the terminal end of the axon.
Neurotoxicity
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It is the influx of sodium into the cell that is responsible for generating an action potential, which causes depolarization and conduction of the nerve impulse.
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This results in prolonging the action potential and thus increases calcium influx into the cell.
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Abstract Olfactory receptor neurons respond to odorants with characteristic patterns of action potentials that are relevant for odor coding.
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Loss of gar - 3 function results in shortened action potentials and brief muscle contractions in the pharyngeal terminal bulb.
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The result is that a larger stimulus is required to trigger an action potential.
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TRPV1 can detect noxious stimulus and convert it into action potentials traveling to the central and forming pain sensation.
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In neurons, calcium entry through voltage-gated channels tightly couples an action potential with transmitter release.
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Nucleosome core particles are represented by oblate ellipsoids; their interaction potential has been parameterized by a comparison with data from liquid crystals of nucleosome solutions.
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Results Antiarrhythmic effect of COE may be related to its prolongation of action potential duration, increase of the absolute value of resting potential and a decrease of autonomy of sinus node.
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In the crayfish leg extensor preparation, the number of quanta released per action potential (quantal content) was approximately 15, at low frequencies of stimulation.
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The result is that a larger stimulus is required to trigger an action potential.
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Action potentials are elicited when tiny pores in the nerve cell membrane, known as sodium channels, open up in response to a stimulus.
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The whole sequence of events, from the inrush of calcium to the initiation of the action potential, takes place in less than two milliseconds.
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We collaborated with my good friend William Sleator of the Physiology Department in the study of changes in cellular action potentials (measured with intracellular microelectrodes) associated with the changes in contractility of the guinea pig atrium in response to epinephrine and acetylcholine, and a number of other inotropic agents.
Robert F. Furchgott - Autobiography
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These observations from other representatives of both the chromist and alveolate groups support the hypothesis that the diatom's ability to generate animal-like action potentials was acquired and retained from the ancestral eukaryote protist host.
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This traveling wave of altered electrical potential is called an action potential, more commonly known as a nerve impulse.
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Larval motor neurons had a long-lasting, sodium-dependent afterhyperpolarization (AHP) following bursts of action potentials that was mediated by the electrogenic activity of Na
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To cross this gap, an action potential must be converted from an electrical signal to a chemical signal.
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However, in parapodial motoneurons, the action potential is initiated at or near the soma and travels to the axon terminal.
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Heart cells, like other electrically excitable cells, become inexcitable for a brief period after each action potential.
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In reduced preparations, subthreshold stimuli increased action potential activity in identified serotonergic neurons.
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This traveling wave of altered electrical potential is called an action potential, more commonly known as a nerve impulse.
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The axon is a long, tubular fiber that transmits the action potentials from a soma to the dendrites or to an effector organ.
CreationWiki - Recent changes [en]
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This traveling wave of altered electrical potential is called an action potential, more commonly known as a nerve impulse.
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Overall, the characteristics of the fast diatom currents most closely resemble those of vertebrate and invertebrate muscle Na This is the first demonstration of voltage-activated Na+ channels and the capacity to generate fast Na+-based action potentials in a unicellular photosynthetic organism.
PLoS ONE Alerts: New Articles
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The monophasic action potentials (MAP) of epicardium (Epi), midmyocardium (Mid) and endocardium (Endo) were recorded simultaneously in left ventricular free wall in vivo by a compound electrode.
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Using this device he was able to show that the currents traveling through nerves and muscles were in the form of small, brief electrical impulses that we now call action potentials.
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The latter is known to be due to the fact that hypocalcemia prolongs the duration of phase two of the action potential of cardiac muscle.
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But a single synapse firing briefly is generally not enough to make the neuron fire an impulse, technically termed an action potential, of its own.
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Current clamp experiments showed that GRO / KC caused a marked increase in excitability, including resting potential depolarization, decreased rheobase, and lower action potential threshold.
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