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A neurotransmitter is the body’s chemical messenger.

“Neurotransmitter is a type of chemical messenger that transmits signals across a chemical synapse, from one neuron to another.”

A neurotransmitter is the body’s chemical messenger. They are molecules that transmit signals from neurons to muscles, or between different neurons. The transmission of signals between two neurons occurs in the synaptic cleft. The electrical signals that travel along the axon are briefly converted into chemical signals through neurotransmitters. Also Read:  Reflex Action

There are the following different types of neurotransmitter:

These type of neurons increase the chances of the neuron firing an action potential. Epinephrine and norepinephrine are the two excitatory neurotransmitters.

These have inhibitory effects on the neurons and have fewer chances of the neuron firing an action potential. For eg., serotonin and gamma-aminobutyric acid (GABA).

These can affect a large number of neurotransmitters at the same time. These can also influence the effect of other chemical messengers.

The following guidelines should be followed to identify whether the chemical is a neurotransmitter or not:

The neurotransmitter diseases affect how the neurotransmitters are synthesised, transported and broken down in the  brain . The common neurotransmitter diseases include:

Neurotransmitter diseases are genetically inherited from their parents. These are diagnosed by examining the cerebrospinal fluid collected from the spinal column.

The activity of the neurotransmitter can be stopped in the following ways:

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Epinephrine Norepinephrine Histamine Dopamine Serotonin