What happens at the synapse between two neurones?

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Chemicals are released at the end of axon and this is caused by the electrical impulse. These chemicals cross the synapse and similar electrical impulses are created in the dendrite of the next neuron. Therefore, it can be said that the synapse allows the delivery of impulses from neurons to other cells.This entire process takes place when neurotransmitter is diffused at the end points of the axon and towards the dendrite point of the other neuron. The chemo-receptors present in the dendron gets stimulated and the generation of signal continues!!

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Synapse is defined as the point of contact between the terminal branches of axon of one neuron with the dendrite of another neuron. Chemicals are released at the end of axon and this is caused by the electrical impulse. These chemicals cross the synapse and similar electrical impulses are created in the dendrite of the next neuron. Therefore, it can be said that the synapse allows the delivery of impulses from neurons to other cells.This entire process takes place when neurotransmitter is diffused at the end points of the axon and towards the dendrite point of the other neuron. The chemo-receptors present in the dendron gets stimulated and the generation of signal continues.

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Synapse states that the gap between two neurons. The information comes through dendrites will be electrical impulses. These electrical impulses carries from the dendrite to axon, where, it (dendrite) converts electrical impulses into chemical impulses. Later chemical impulses converts into electrical impulses and this information transfer to brain through the nerves. Finally, it goes to cells, muscles and glands by converting into chemical impulses.

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At synapse, information carrying neuron’s axon end, electrical impulse sets off the release of some chemicals (neurotransmitter). These chemicals cross the gap or synapse and reach to dendrites of the next neuron and start electrical impulse there.

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The synapse between the two neurons is empty space. When an electrical signal is running through a neuron, at the end of the neuron, i.e. at the nerve endings the electrical impulse is converted into chemicals and these chemicals travel through the synapse to other neuron or muscles or any targeted organ. This synapse is like a capsule shape to ensure that chemicals pass in a straight line towards the another neuron or organ. Then these chemicals again trigger a electrical impulse.

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A synapse is an empty space between any two given neurons,,,, You can assume it as a receiver, as it receives electrical signals from one neuron,  convert it into chemical signal and then again acts as a sender to another neuron

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Transmission of nerve impulses between two neurons takes place through the synapse. The axon terminal of a neuron releases specilized chemicals called neurotransmitters. These chemicals travel through the synapse and reach the dendrites of the next neuron. The nerve impulses travel along with the neurotransmitters.

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Synapse is a junction which helps in transmission of electrical impulses take place.So when one neuron receives a chemical impulses it is get changed into electrical impulses and it is done by the cellbody or the cyton. Then this electrical impulse travels to the axon and it goes to the axon terminal and in their electrical impulse get changed once more into chemical impulses. and it goes to the adjacent neuron through synapse.

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What happens at the synapse between two neurons?

The synapse is a specialized junction between two neurons, where information is transmitted from one neuron to another. It is the functional unit of communication in the nervous system. At the synapse, electrical signals are converted into chemical signals, allowing the transmission of information from one neuron to the next.

1. Presynaptic Neuron:
The presynaptic neuron is the neuron sending the signal. It contains the axon terminal, which is the end of the neuron that releases neurotransmitters.

2. Postsynaptic Neuron:
The postsynaptic neuron is the neuron receiving the signal. It has dendrites that receive the neurotransmitters released by the presynaptic neuron.

3. Synaptic Cleft:
The synaptic cleft is the small gap between the presynaptic and postsynaptic neurons. It acts as a physical barrier and prevents direct electrical transmission between the neurons.

4. Neurotransmitter Release:
When an electrical impulse reaches the axon terminal of the presynaptic neuron, it triggers the release of neurotransmitters into the synaptic cleft. Neurotransmitters are chemical messengers that transmit the signal from one neuron to the next.

5. Neurotransmitter Binding:
The released neurotransmitters diffuse across the synaptic cleft and bind to specific receptor molecules on the postsynaptic neuron. These receptors are proteins located on the surface of the postsynaptic neuron.

6. Receptor Activation:
Binding of neurotransmitters to the receptor molecules on the postsynaptic neuron causes a change in the receptor's shape, leading to the activation of ion channels. This activation allows ions, such as sodium (Na+) or potassium (K+), to flow into or out of the postsynaptic neuron.

7. Generation of Postsynaptic Potential:
The movement of ions through the activated ion channels leads to the generation of a postsynaptic potential. If the neurotransmitters cause depolarization (influx of positive ions), it is called an excitatory postsynaptic potential (EPSP). If the neurotransmitters cause hyperpolarization (efflux of positive ions or influx of negative ions), it is called an inhibitory postsynaptic potential (IPSP).

8. Signal Integration:
The EPSPs and IPSPs from multiple synapses on the postsynaptic neuron are integrated at the axon hillock. If the sum of the inputs reaches a certain threshold, an action potential is initiated.

9. Termination of Signal:
The neurotransmitters in the synaptic cleft are either taken back up into the presynaptic neuron through reuptake or broken down by enzymes. This termination of the signal ensures that the synapse is ready for the next transmission.

In summary, at the synapse, electrical signals are converted into chemical signals. The presynaptic neuron releases neurotransmitters into the synaptic cleft, which then bind to receptors on the postsynaptic neuron. This binding leads to the generation of postsynaptic potentials, which ultimately determine whether an action potential will be initiated. The termination of the signal ensures the synapse is ready for the next transmission.

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