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28.6 neurons communicate at synapses
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What are synapses and what forms do they come in?
the regions of communication between a synaptic terminal and another cell
electrical synapse or electrical
What happens in an electrical synapse?
Electrical current passes directly from one neuron to the next, the receiving neauron is stimulated and the same action potential passes down
What happens in chemical synapses?
Action potentials in the form of electrical signals are not trnsmitted from cell to cell. but information is
What do chemical synapses have that eletrical ones do not?
synaptic clefts
What is a synaptic cleft?
a narrow gap in an chemical synapse, seperating a synaptic terminal of the sending presynaptic neuron from the receiving
What is the neauro trnsmitter?
a converstion of electrical signal into a chemical signal
What are the steps for neurons to communicate
1 action potential arrives
2 vesicle fuses with plasma membrane
3 neurotrasmitters are released into synaptic cleft
4 neuorotransmitter binds to receptor
5 ion channel opens,
6 ion channel closes
neaurotrans
Author
see.jerald
ID
78015
Card Set
28.6 neurons communicate at synapses
Description
28.6 neurons communicate at synapses
Updated
2011-04-07T05:21:46Z
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