nbsp-why the flow of signals in synapse is from axonal end of nbsp-1 neuron to dendrite starting of other neuron but not the reverse

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Biology

Central Nervous System

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Question

why the flow of signals in synapse is from axonal end of 1 neuron to dendrite starting of other neuron but not the reverse

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Solution

When nerve impulse is generated at any part of the body, generally dendrites of a neuron which remain spread receive the impulse and pass it through the axon. The impulse gets transported along the axon and enters inside the dendrites of next neuron through the synapse. This is the one way process as neurons are arranged one after another in this head to tail manner.

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Similar questions

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?

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. 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.

Q. The gap between dendrites of one neuron and axon endings of other neurons.

Question 4
In a neuron, conversion of electrical signal to a chemical signal occurs at/in

(a) cell body
(b) axonal end
(c) dendritic end
(d) axon

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