Dendrites
Neurotransmitters are released into the synapse by the presynaptic neuron.
Neurotransmitters such as dopamine, serotonin, and acetylcholine are released from the synaptic knob into the synaptic cleft. These chemicals carry signals across the synapse to the postsynaptic neuron.
Neurotransmitters are the chemicals released from nerve cells that play an important role in nerve cell communication. They help transmit signals across the synapse to target cells, such as other neurons or muscle cells, and are crucial for various physiological processes in the body. Examples of neurotransmitters include dopamine, serotonin, and acetylcholine.
When the action potential arrives, synaptic vesicles containing neurotransmitters are released by a process called exocytosis. This involves the fusion of the vesicle membrane with the presynaptic membrane, leading to the release of neurotransmitters into the synaptic cleft.
There are over 100 different types of neurotransmitters that can be released into synapses, each with specific functions and effects on neuronal communication. Some of the most well-known neurotransmitters include serotonin, dopamine, and glutamate.
Neurotransmitters are released into the synapse by the presynaptic neuron.
The process of recycling neurotransmitters is known as reuptake. This is when neurotransmitters are taken back up into the presynaptic neuron after they have been released into the synaptic cleft.
These are typically known as neuromodulators; they can either change the rate at which a neurotransmitter is released, or alter the response to a certain neurotransmitters.
The axon terminal, into a synapse.
neurotransmitters. These neurotransmitters are released into the synaptic cleft to relay signals to the next neuron in the communication pathway.
Neurotransmitters are released when an action potential reaches an axon terminal (aka: end foot, synaptic knob, bouton), causing voltage-gated calcium ion gates to open, allowing calcium ions into the axon terminal, which causes vesicles containing the neurotransmitters to fuse to the cell membrane, which creates an opening to release the neurotransmitters into the synapse.
Retrograde neurotransmitters are released from dendrites and alter the activity of neighbouring cells. This process is the opposite of typical neurotransmitters, which are released from the axon terminal (of a post synaptic neuron) and act on dendrites. Two examples are the gaseous neurotransmitters Carbon Monoxide and Nitric Oxide.
They don't, the neurotransmitters stay on either side of the synapse. Neurotransmitters are released when the synaptic vesicles fuse with the presynaptic neuron's membrane, so as to release them into the synaptic cleft.
Unused neurotransmitters are absorbed through a process called reuptake, where they are taken back up into the presynaptic neuron that released them. This allows for the efficient recycling of neurotransmitters and helps to regulate the levels of neurotransmitters in the synaptic cleft.
neurotransmitters
synaptic vesicles
Neurotransmitters are synthesized inside the neuron's cell body and stored in vesicles at the nerve terminal. When an action potential occurs, the neurotransmitters are released into the synaptic cleft to transmit signals to the next neuron.