dopamine

Differences between neurotransmitters and neuromodulators

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S.N Neurotransmitters S.N Neuromodulators 1. Available in axon terminals. 1. Available in all parts of the body. 2. Are generally packed in small synaptic vesicles. 2. Are packed in large synaptic vesicles. 3. Nerve impulse propagates through synapse. 3. Synaptic transmission is modified and regulated. 4. Change the electric potential- depolarization or repolarization while functioning. … Read more

Various neurotransmitters and their functions

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Neurotransmitters are chemical agents synthesized by nerve cells. Are stored in secretory vesicles in axon terminals.  Released when a nerve impulse reaches the end bulb. Also defined as the chemicals which allow the transmission of signals from one neuron to the next across synapses.  Produce an excitatory or inhibitory response in the post synaptic membrane. … Read more