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Receptors neurotransmitter

receptors, neurotransmitter

cell surface receptors that bind signalling molecules released by neurons and convert these signals into intracellular changes influencing the behaviour of cells. Neurotransmitter is used here in its most general sense, including not only messengers that act to regulate ion channels, but also those which act on second messenger systems and those which may act at a distance from their release sites. Included are receptors for neuromodulators, neuroregulators, neuromediators, and neurohumors, whether or not located at synapses.

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Re: human physiology qu please help

... there is an action potential in a presynaptic neuron, it results in Neurotransmitter release from the axon terminals. The neurotransmitter (for example Acetylcholine) binds to receptors of the postsynaptic nerve cell. This then causes Sodium channels to open. ...

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by LeslieSamuel
Thu Dec 24, 2009 2:38 am
Forum: Physiology
Topic: human physiology qu please help
Replies: 3
Views: 5782

Re: Caffeine Coursework

... principal mode of action is as an antagonist of adenosine receptors in the brain. Like alcohol and nicotine, caffeine readily crosses ... There is evidence that adenosine functions as a synaptically released neurotransmitter in some cases, but stress-related adenosine increases appear ...

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by red.ninja13
Sun Mar 22, 2009 7:39 pm
Forum: Human Biology
Topic: Caffeine Coursework
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Investigation of neurons

... between them. Chemoattractive or chemorepulsive stimuli, detected by receptors in the growth cone, direct the growth of the axon towards its target ... be investigated. A property of motor neurons such as the quantity of neurotransmitter release by the neuron in the case of each muscle type can ...

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by inayat
Wed Sep 10, 2008 7:53 pm
Forum: Molecular Biology
Topic: Investigation of neurons
Replies: 0
Views: 2792

Simple Diffusion`

... bind to the membrane. If you are looking for a reference: The neurotransmitters then diffuse across the synaptic cleft to bind to receptors . The receptors are broadly classified into ionotropic and metabotropic receptors. ...

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by Poison
Fri Apr 21, 2006 11:09 pm
Forum: Cell Biology
Topic: Simple Diffusion`
Replies: 7
Views: 17455

I have to write an essay!

... comunication(manose sequence) and intercelular communication(part of neurotransmitter and neuromodulators receptors structure) -compenents of cell wall(celulose at plants, GlucoseNAc and N-muramic ...

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by MrMistery
Sun Nov 27, 2005 5:23 pm
Forum: Molecular Biology
Topic: I have to write an essay!
Replies: 16
Views: 6339
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