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neurotransmitter

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1
neurotransmitter
ˈneurotransˌmitter Physiol. [f. neuro- + transmitter.] A substance which is released at the end of a nerve fibre by the arrival of a nerve impulse and, by diffusing across the synapse or junction, effects the transfer of the impulse to another nerve fibre, a muscle fibre, or some other receptor.1961... Oxford English Dictionary
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Monoamine neurotransmitter
After release into the synaptic cleft, monoamine neurotransmitter action is ended by reuptake into the presynaptic terminal. Evolution Monoamine neurotransmitter systems occur in virtually all vertebrates, where the evolvability of these systems has served to promote the adaptability wikipedia.org
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Mechanisms of action of antidepressants: from neurotransmitter systems ...
A possible mechanism by which antidepressants mediate their effects on neurogenesis is described by Duman et al. . SSRIs or NRIs increase serotonin and/or NE levels, allowing these neurotransmitters to stimulate the cAMP cascade or the Ca 2+ cascade, leading to an increase in CREB and BDNF .
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Neurotransmitter sodium symporter
Betaine transporter () Creatine transporter () Dopamine neurotransmitter transporter () Inebriated neurotransmitter transporter GABA neurotransmitter 1 () Noradrenaline neurotransmitter transporter () Orphan neurotransmitter transporter () Serotonin (5-HT) neurotransmitter transporter, N-terminal wikipedia.org
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which neurotransmitter is released in the postsynaptic cell
Postsynaptic potentials are changes in the membrane potential of the postsynaptic terminal of a chemical synapse. They are caused by the presynaptic neuron releasing neurotransmitters from the terminal bouton at the end of an axon into the synaptic cleft.
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Neurotransmitter transporter
There are more than twenty types of neurotransmitter transporters. Clinical significance A variety of neurotransmitter reuptake transporters are pharmacotherapeutic targets for modulating the synaptic neurotransmitter wikipedia.org
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Is every neurotransmitter receptor an ion channel? This is a rudimentary question--perhaps the answer is well known to biologists, but is every neurotransmitter receptor also an ion channel? For example, NMDAR is a g...
> is every neurotransmitter receptor also an ion channel? No.
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Neurotransmitter receptor
A neurotransmitter receptor (also known as a neuroreceptor) is a membrane receptor protein that is activated by a neurotransmitter. Neurotransmitter receptors are known to become unresponsive to the type of neurotransmitter they receive when exposed for extended periods of time. wikipedia.org
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Do humans have a "dominant" neurotransmitter system/sensitivity within their brain? I've recently heard a podcast, in which Dr. Helen Fisher suggests that there are "4 broad personality types", and each one is associa...
What does it even mean when she says associated with a particular neurotransmitter?
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False neurotransmitter
A false neurotransmitter is a chemical compound which closely imitates the action of a neurotransmitter in the nervous system. By extension, drugs that affect the uptake affinity of neurotransmitter transporters directly affect the efficacy of these substitute neurotransmitters wikipedia.org
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Do neurons secrete multiple neurotransmitters, or just one type? I know that neurons communicate between each other by filling the junction between dendrites with neurotransmitters. **What interests me is if a single...
Some specialized neurons secrete more than one type, even though the ruling concept used to be one neurotransmitter for one neuron.
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Amino acid neurotransmitter
An amino acid neurotransmitter is an amino acid which is able to transmit a nerve message across a synapse. Amino acid neurotransmitter release (exocytosis) is dependent upon calcium Ca2+ and is a presynaptic response. wikipedia.org
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What is the speed of neurotransmitter release and receptor binding in a neuronal synapse? Obviously neural signals travel at extremely high speeds, but I'm wondering how much that speed is affected by the release and ...
It seems to depend on the size of the neurotransmitter. The bigger the neurotransmitter is the longer the neuron has to be stimulated to actually release the neurotransmitter.
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Quantal neurotransmitter release
It is estimated that an action potential will trigger the release of approximately 20% of an axon terminal's neurotransmitter load. These neurotransmitter-filled vesicles are the quanta that will be released into the synapse. wikipedia.org
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Why does opening of the Ca-channels trigger the release of neurotransmitters? I understand that the opening of the Calcium channels trigger the release of stored neurotransmitter in granules, but what is it about the ...
Synaptotagmin is a protein that is part of the synaptic release machinery. It binds calcium specifically, which leads to a conformational change that encourages vesicle fusion with the membrane, therefore the ultimate release mechanism is not via voltage or charge but by calcium itself.
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