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Nerve impulse


Nerve impulses activate the release of NO from these cells.
The NO diffuses into the lantern cells and inhibits cellular respiration in the mitochondria (probably by blocking the action of cytochrome c oxidase) ...
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nerve impulse
A rapid, transient, self-propagating change in electric potential across the membrane of an axon.
nervous system ...
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nerve impulse: an electrochemical event that occurs within the neuron.
nerve roots: the 31 pairs of projections that extend out along each side of the spinal cord; the sites of axons of the sensory and motor neurons.
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AKA: nerve impulse
The signal that travels along the length of a nerve fiber and ends in the release of neurotransmitters. Nerve impulses are the means by which information is transmitted along the neuron and throughout the nervous system.
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What is a nerve impulse? A nerve impulse, or an action potential, is a series of electrical responses that occur in the cell. (Fig. 2) With the appropriate stimulation, the voltage in the dendrite of the neuron will become somewhat less negative.
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neuron A cell of nervous tissue specialized for transmission of a nerve impulse.
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The release of neurotransmitter is triggered by the arrival of a nerve impulse (or action potential) and occurs through an unusually rapid process of cellular secretion: Within the pre-synaptic nerve terminal, ...
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Hermann von Helmholtz, first to measure the velocity of nerve impulses; studied hearing and vision
Alan Hodgkin & Andrew Huxley, mathematical theory of how ion fluxes produce nerve impulses
Georg von Bksy, research on the human ear ...
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Changed polarity of the membrane, the action potential, results in propagation of the nerve impulse along the membrane. An action potential is a temporary reversal of the electrical potential along the membrane for a few milliseconds.
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nerve cell A cell specialized to originate or transmit nerve impulses.
nerve cell body The largest part of a neuron that typically contains the nucleus.
nerve cord A long, compact bundle of nerve cells that is part of the central nervous system.
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axon
a typically long outgrowth, or process, from a neuron that carries nerve impulses away from the cell body toward target cells.
B
Bacillus
a bacterial cell that is rod-shaped (i.e. longer than it is wide).
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axon - long nerve cell processes that is capable of rapidly conducting nerve impulses over long distances so as to deliver signals to other cells ...
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