Topic: Axon Hillock
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What is the function of an axon hillock?
The function of the axon hillock is to initiate the propagation of the action potential down an axon. Read More »
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What is axon hillock?
The cone-shaped region of an axon close to the cell body. Read More »
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What does the axon hillock do?
Axon hillock is the conical area of origin of the axon from the nerve cell body.Thank y... Read More »
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Axon Hillock
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If I understand your question correctly, the answer is that neurotransmitters are NOT INVOLVED AT ALL in the movement of an action potential from the axon hillock to the axon terminal(s). Neurotransmitters are active in the SYNAPSES between...
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Source: http://wiki.answers.com/Q/An+electrical+signal+that+begins+at+the...
If total strength of the signal exceeds the threshold limit (-55) o...
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It is either inhibitory and nothing happens or excitatory and causes depolorization again. If the axon hillock on the postsynaptic neuron reaches threshold potential then an impulse is transmitted and action potential is reached all over ag...
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Source: http://wiki.answers.com/Q/What_happens_when_a_graded_potential_re...
The axon hillock has a high density of voltage-gated Na+ channels. Source(s): http://www.neurobio.arizona.edu/282/Lectures2006
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Source: http://answers.yahoo.com/question/index?qid=20070425072830AAHUORS
Think of a picture of a neuron from your bio book. The Axon is the long arm and the axon hillock connects the axon to the cell body. The dendrites form smaller arms off the cell body and synapse with other nerves. Signal flow comes from the...
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Source: http://answers.yahoo.com/question/index?qid=20070322195928AAJpP1R
On first reading, your description above sounds pretty accurate. See: Histology of the Neuron's Axon http://apbrwww5.apsu.edu/thompsonj/Anato… ("The movement of sodium and potassium ions during an acton potential: Note that sodium ions cros...
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Source: http://answers.yahoo.com/question/index?qid=20111229072536AASJVsr
