Label the location (number) where the following drugs would act on neurotransmitter systems: Black widow spider venom______ Botulism toxin ______ Curare ______ Atropine _______ A-MPT ________ Reserpine ______

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Chapter1: The Human Body: An Orientation
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Label the location (number) where the following drugs would act on neurotransmitter systems:

Black widow spider venom______

Botulism toxin ______

Curare ______

Atropine _______

A-MPT ________

Reserpine ______

Fuseric Acid _______

PCPA _____

Propranolol ________

Agomelatine _______

### Neurotransmitter Lifecycle in Synaptic Transmission

This diagram illustrates the key stages in the lifecycle of neurotransmitters involved in synaptic transmission across a neuron.

1. **Synthesis**: 
   - Begins with precursor chemicals being converted into neurotransmitters inside the neuron.

2. **Storage**:
   - Once synthesized, the neurotransmitters are stored in small vesicles within the neuron.

3. **Release**:
   - When an action potential reaches the synaptic terminal, it triggers the release of neurotransmitters into the synaptic cleft.

4. **Receptor Interaction**:
   - Released neurotransmitters cross the synaptic cleft and bind to specific receptors on the postsynaptic neuron, initiating a response.

5. **Inactivation**:
   - To terminate the signal, neurotransmitters are either broken down or altered to stop their action.

6. **Reuptake**:
   - Neurotransmitters that do not bind to receptors are taken back into the presynaptic neuron for reuse or further processing.

7. **Degradation**:
   - Excess neurotransmitters in the synaptic cleft are degraded by enzymes.

This process is crucial for effective communication between neurons and is essential for numerous bodily functions and behaviors.
Transcribed Image Text:### Neurotransmitter Lifecycle in Synaptic Transmission This diagram illustrates the key stages in the lifecycle of neurotransmitters involved in synaptic transmission across a neuron. 1. **Synthesis**: - Begins with precursor chemicals being converted into neurotransmitters inside the neuron. 2. **Storage**: - Once synthesized, the neurotransmitters are stored in small vesicles within the neuron. 3. **Release**: - When an action potential reaches the synaptic terminal, it triggers the release of neurotransmitters into the synaptic cleft. 4. **Receptor Interaction**: - Released neurotransmitters cross the synaptic cleft and bind to specific receptors on the postsynaptic neuron, initiating a response. 5. **Inactivation**: - To terminate the signal, neurotransmitters are either broken down or altered to stop their action. 6. **Reuptake**: - Neurotransmitters that do not bind to receptors are taken back into the presynaptic neuron for reuse or further processing. 7. **Degradation**: - Excess neurotransmitters in the synaptic cleft are degraded by enzymes. This process is crucial for effective communication between neurons and is essential for numerous bodily functions and behaviors.
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