Postsynaptic
Postsynaptic
Postsynaptic (pronunciation: post-syn-apt-ic) refers to the part of a synapse that is located after (or post) the synaptic cleft, typically referring to the structure that is on the receiving end of the neurotransmitter signal.
Etymology
The term "postsynaptic" is derived from the Greek words "post" meaning after, and "synapsis" meaning conjunction. In the context of neuroscience, it refers to the neuron or cell that is located after the synaptic cleft in the signal transmission process.
Related Terms
- Presynaptic: The part of a synapse that is located before (or pre) the synaptic cleft, typically referring to the structure that releases the neurotransmitter signal.
- Synapse: The structure that permits a neuron to pass an electrical or chemical signal to another neuron or to the target effector cell.
- Neurotransmitter: The endogenous chemicals that enable neurotransmission. They transmit signals across a chemical synapse from one neuron to another 'target' neuron, muscle cell, or gland cell.
- Neuronal plasticity: The ability of the nervous system to change its activity in response to intrinsic or extrinsic stimuli by reorganizing its structure, functions, or connections.
- Receptor (biochemistry): A protein molecule that receives and responds to neurotransmitters, hormones, or other signaling substances.
External links
- Medical encyclopedia article on Postsynaptic
- Wikipedia's article - Postsynaptic
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