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Postsynaptic cell

postsynaptic cell

In a chemical synapse, the cell that receives a signal (binds neurotransmitter) from the presynaptic cell and responds with depolarisation In an electrical synapse, the postsynaptic cell would just be downstream, but since many electrical synapses are rectifying, one of the two cells involved will always be postsynaptic.


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Re: human physiology qu please help

... neurotransmitter (for example Acetylcholine) binds to receptors of the postsynaptic nerve cell. This then causes Sodium channels to open. Because Sodium is highly concentrated outside ...

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by LeslieSamuel
Thu Dec 24, 2009 2:38 am
 
Forum: Physiology
Topic: human physiology qu please help
Replies: 3
Views: 4575

question about simple diffusion

... during photo synthesis b. the uptake of neurotransmitters by the postsynaptic membrane during the transmission of a nerve membrane c. the ... into the bloodstream d. the exchange of sodium and potassium across a cell membrane through the Na +/ K+ pump e. the movement of glucose across ...

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by biohelp22
Sun Apr 23, 2006 2:30 pm
 
Forum: Cell Biology
Topic: question about simple diffusion
Replies: 2
Views: 1913

Re: Simple Diffusion`

... (check the chemosmotic theory) - the uptake of neurotransmitters by the postsynaptic membrane during the transmission of a nerve impulse........Simple diffusion - the movement of oxygen in the alveoli across a cell membrane through the Na/K pump.....Oxygen moves by simple diffusion in ...

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by ajs
Fri Apr 21, 2006 11:13 am
 
Forum: Cell Biology
Topic: Simple Diffusion`
Replies: 7
Views: 15105

Simple Diffusion`

... membrane during photosynthesis - the uptake of neurotransmitters by the postsynaptic membrane during the transmission of a nerve impulse - the movement of oxygen in the alveoli across a cell membrane through the Na/K pump - the movement of glucose across the body cell ...

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by risingstar5
Fri Apr 21, 2006 3:39 am
 
Forum: Cell Biology
Topic: Simple Diffusion`
Replies: 7
Views: 15105

Glial cells...Neurons....and the SYNAPSE

:) Well, the neuron seems to have a huge independent glial cell system to help support it . By this I mean that we have glial cells that ... the axon terminals/presynaptic and then cross the synaptic cleft to the postsynaptic receptors. The neuron would not function in an efficacious manner ...

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by segarama
Mon Oct 31, 2005 6:36 pm
 
Forum: Cell Biology
Topic: Glial cells...Neurons....and the SYNAPSE
Replies: 8
Views: 5107
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