What is the minimum distance between the nerve ending of a neuron and dendrite of another neuron? (i.e the accurate measure of a synapse)

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Solution

The distance between the nerve ending of a neuron and dendrite of another neuron is about 3.5nm.

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Similar questions

Q. Question 21
Which of the following statements about transmission of nerve impulse is incorrect?

(a) Nerve impulse travels from dendritic end towards axonal end.
(b) At the dendritic end electrical impulses bring about the release of some chemicals which generate an electrical impulse at the axonal end of another neuron.
(c) The chemicals released from the axonal end of one neuron cross the synapse and generate a similar electrical impulse in a dendrite of another neuron.
(d) A neuron transmits electrical impulses not only to another neuron but also to muscle and gland cells.

Question 3
In a synapse, chemical signal is transmitted from

(a) dendritic end of one neuron to axonal end of another neuron
(b) axon to the cell body of the same neuron
(c) cell body to the axonal end of the same neuron
(d) axonal end of one neuron to dendritic end of another neuron

Q. Why is the flow of signals in a synapse from axonal end of one neuron to dendritic end of another neuron but not the reverse?

In a synapse, chemical signal is transmitted from :

(a) axon to cell body of the same neuron

(b) cell body to axon end of the same neuron

(d) axon end of one neuron to dendrite end of adjancent neuron

Question 53
Why is the flow of signals in a synapse from the axonal end of one neuron to dendritic end of another neuron but not the reverse?

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