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What is occurring between the dendritic end and the axon hillock?
Wiki User
∙ 13y ago
conduction and summation of graded potentials.
Wiki User
∙ 13y ago
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What is the function of the axon hillock?
An axon hillock is part of a neuron that acts as a bridge between the cell body and the axon. Electrical impulses from the dendrites and cell body are summed at this point, which is then sent down the axon.
Where do action potentials occur?
The spike initiation zone, also called axon hillock, is the point where the cell body of the neuron meets the axon and is the point where most action potentials are initiated.
Is and axon bulb and an axon hillock the same thing?
axon hillock = where cell body meets the axon axon bulb = end of the axon...lies very close to the dendrites of another neuron so impulses can pass over the synapse. AP Biology student *
Where in a neuron can an action potential be generated?
axon hillock
What is the name for the insulation covering many neurons?
Myelin sheath. This is the insulating sheath which covers most of the axon, between the Axon Hillock and Collateral branches of the Neuron.
What part of a neuron attaches the cell body to the axon?
axon hillock
What is the function of the axon hillock?
An axon hillock is part of a neuron that acts as a bridge between the cell body and the axon. Electrical impulses from the dendrites and cell body are summed at this point, which is then sent down the axon.
The axon is connected to the soma by the?
axon hillock
Which region of the cell body from which the axon originates?
The axon (in motor neurons) begins just distal to a slightly enlarged cell body structure called the axon hillock.
What is a axon hillock?
An axon hillock is a special cell body that connects an axon to a neuron. It is the last place where propagated membrane potentials are transmitted to the axon.
How neurotransmitter carry in axon hillock to axon terminal?
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 neurons, not ALONG an axon. They are released by an axon terminal, then pass across the synaptic cleft to, for instance, a dendrite or dendritic spine of another neuron, where they fit into a receptor site of an ion pore, causing that ligand gated ion pore to open, allowing an influx of ions which begin the propagation of the chemical-voltage impulse that is a nerve signal.
Where do action potentials occur?
The spike initiation zone, also called axon hillock, is the point where the cell body of the neuron meets the axon and is the point where most action potentials are initiated.
The anatomical region of a multipolar neuron that has the lowest threshold for generating an action potential is?
Axon hillock
The soma forms a cone shaped as it projects to form an axon?
Axon Hillock
Is and axon bulb and an axon hillock the same thing?
axon hillock = where cell body meets the axon axon bulb = end of the axon...lies very close to the dendrites of another neuron so impulses can pass over the synapse. AP Biology student *
What is the part of the neuron that receives impulses is called the?
Neural input happens at the dendrites (dendritic tree) of the neuron, but some neurons, notably the sympathetic, can receive input at the axon hillock (where the axon leaves the soma).
What is the name of the area where nerve impulses arises?
receptive region?
