Postsynaptic neuron
Postsynaptic Neuron
A Postsynaptic Neuron (pronunciation: post-syn-apt-ic neu-ron) is a Neuron that receives a Neurotransmitter from a Presynaptic Neuron at a Synapse.
Etymology
The term "Postsynaptic Neuron" is derived from the Greek words "post" meaning after, "syn" meaning together, "apt" meaning fit, and "neuron" meaning nerve.
Definition
In the context of Neuroscience, a Postsynaptic Neuron is the neuron that receives the signal (or message) from the Presynaptic Neuron across the Synapse. The signal is transmitted through the release of Neurotransmitters from the Presynaptic Neuron, which bind to Receptors on the Postsynaptic Neuron, causing a change in the electrical state of the Postsynaptic Neuron.
Related Terms
- Presynaptic Neuron: The neuron that sends the signal to the Postsynaptic Neuron.
- Synapse: The junction between two neurons where the signal is transmitted.
- Neurotransmitter: The chemical substance that is released from the Presynaptic Neuron and binds to Receptors on the Postsynaptic Neuron.
- Receptor: A protein molecule that receives and responds to Neurotransmitters.
- Neuroscience: The scientific study of the nervous system.
External links
- Medical encyclopedia article on Postsynaptic neuron
- Wikipedia's article - Postsynaptic neuron
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