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What is the difference between the axon and axonal terminal and synaptic knob?
Axon is branch of neuron that conducts impulse , axonal terminal and synaptic knob are same , it is bulb like and makes a synapse .
How does a neuron decide whether or not to produce action potentials?
A neuron decides whether or not to produce an action potential by a summation of excitatory and inhibitory signals at the trigger point of the neuron, the axon hillock (or, the initial segment of the axon immediately following the axon hillock), plus a sufficient density of voltage-gated sodium ion pores at the trigger point.Neurons can receive both excitatory and inhibitory inputs at the same time, and if a confluence of those multiple signals at the axon hillock/initial axon segment (or alternatively, an occasion of sufficiently quickly repeated excitatory signals) sums to yield a membrane potential there of about -55 mv, this will cause the large number of voltage-gated sodium ion pores present there to open, allowing a sufficient influx of sodium ions to raise the membrane potential momentarily higher, which depolarizes adjacent regions of the axon, allowing more voltage-gated ion pores to open, allowing more sodium ions in; these actions repeat and continue along the axon, achieving the action potential.It's important to understand that although the level of the summation of signal voltages is the trigger for the action potential, the initial firing of the action potential could not occur if there wasn't a sufficient density of voltage-gated sodium ion pores at the trigger point to allow sufficient sodium ions in to cause the membrane potential in adjacent regions to be high enough to open theirv-gated Na ion pores, so that the action potential could continue to propagate along the axon.
Can you light a light bulb by holding a copper tube and a steel tube wired to a light bulb?
no it isn't because of the is it does spell the same thing backwards.
What happens when presynaptic cell's produce action potentials?
When presynaptic cells produce action potentials, it triggers the opening of voltage-gated calcium channels in the presynaptic membrane. This influx of calcium ions into the presynaptic cell triggers the release of neurotransmitter molecules from small, membrane-bound vesicles. The released neurotransmitters then diffuse across the synapse and bind to receptors on the postsynaptic cell, generating a response in the postsynaptic cell.
What anatomical characteristic determines wether a particular neuron is classified as unipolar bipolar or multipolar?
The location of dendrite and axon: If dendrite and axon emerge from same process, the neuron is unipolar. If dendrite and a single axon emerge from opposite ends of the soma, the neuron is bipolar. If the neuron has more than 2 dendrite it is called multipolar.
What is the difference between the axon and axonal terminal and synaptic knob?
Axon is branch of neuron that conducts impulse , axonal terminal and synaptic knob are same , it is bulb like and makes a synapse .
Is a knoll the same as a mountain?
No, a knoll is a small mound or hillock.
Is light from the sun the same thing as light from a light bulb?
no because light from the light bulb is electrical and the sun is not
How does a neuron decide whether or not to produce action potentials?
A neuron decides whether or not to produce an action potential by a summation of excitatory and inhibitory signals at the trigger point of the neuron, the axon hillock (or, the initial segment of the axon immediately following the axon hillock), plus a sufficient density of voltage-gated sodium ion pores at the trigger point.Neurons can receive both excitatory and inhibitory inputs at the same time, and if a confluence of those multiple signals at the axon hillock/initial axon segment (or alternatively, an occasion of sufficiently quickly repeated excitatory signals) sums to yield a membrane potential there of about -55 mv, this will cause the large number of voltage-gated sodium ion pores present there to open, allowing a sufficient influx of sodium ions to raise the membrane potential momentarily higher, which depolarizes adjacent regions of the axon, allowing more voltage-gated ion pores to open, allowing more sodium ions in; these actions repeat and continue along the axon, achieving the action potential.It's important to understand that although the level of the summation of signal voltages is the trigger for the action potential, the initial firing of the action potential could not occur if there wasn't a sufficient density of voltage-gated sodium ion pores at the trigger point to allow sufficient sodium ions in to cause the membrane potential in adjacent regions to be high enough to open theirv-gated Na ion pores, so that the action potential could continue to propagate along the axon.
Is a Bulb the same thing as a cell?
A bulb is a giant embryo. It is still living, but it is multicellular. A giant cell would be a yolk thingy, or a developing chicken in its egg. A bulb is not a cell.
Is the Axon terminal the same as the terminal buttons?
yes
Can you light a light bulb by holding a copper tube and a steel tube wired to a light bulb?
no it isn't because of the is it does spell the same thing backwards.
What type and size bulb for third brake light?
You did not list any information about the vehicle. Therefore all I can tell you is remove the old bulb and buy exactly the same thing.
Does a fluorescent bulb emit the same amount of heat as a metal halide bulb of the same wattage?
No, a fluorescent bulb does not emit the same amount of heat as a metal halide bulb of the same wattage.
Are action potential and local potential reversible?
Under normal circumstances action potential will proceed unilaterally. An action potential cannot proceed down an axon and depolarize in the reverse direction on the same axon. It must carry information on one axon in one direction and then on another axon in a separate direction. In a lab you can depolarize neurons in the middle of an axon and it will depolarize bilaterally.
Do blood cells move from the axon terminal to the dendrites?
Technically a neural impulse moves from the cell body to the axon terminal, because a nerve impulse is defined as an electrical signal that travels along an AXON.This may be confusing because neural signals move in three places with respect to the neurons, in three correspondingly different ways, and only one is called the neural impulse.Neural signals move in these places: betweenneurons (ie, from one neuron to another), intoneurons, and along axons (the outputs of neurons, when a neuron has fired).BETWEEN NEURONS: A neural signal can be passed from one neuron to another, at a synapse, across the synaptic cleft, by the release of chemicals called neurotransmittersfrom the presynaptic neuron, which diffuse across the synaptic cleft, to fit into receptors on the postsynaptic neuron. This is a chemical transmission of the neural signal, not an impulse.INTO A NEURON: when a signal has passed from one neuron to another by the release, diffusion, and reception of neurotransmitters, it initiates a graded response in the dendrites of the postsynaptic neuron, which travels with decreasing strength down the dendrites and across the soma (cell body), until it reaches the root of the axon, the axon hillock. This graded response is also not an impulse.ALONG THE AXON: if enough graded response signalsreach the axon hillock at about the same time, (it might be helpful to think of them as degraded signals, since they get weaker the further they travel), such that their combined strengths can trigger an all or nothing action potential in the axon, then it can be said that the neuron has fired a neuronal impulse.So, there are neural signals which move betweenneurons and into neurons, and neural impulses which fire and move along axons from the cell body (soma).
Is a phonograph and a light bulb the same thing?
phonograph is a musical instrument. Phono means sound. Do you mean Photograph? That is a picture
