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- Chemical_synapse abstract "Chemical synapses are specialized junctions through which neurons signal to each other and to non-neuronal cells such as those in muscles or glands. Chemical synapses allow neurons to form circuits within the central nervous system. They are crucial to the biological computations that underlie perception and thought. They allow the nervous system to connect to and control other systems of the body.At a chemical synapse, one neuron releases neurotransmitter molecules into a small space (the synaptic cleft) that is adjacent to another neuron. The neurotransmitters are kept within small sacs called vesicles, and are released into the synaptic cleft by exocytosis. These molecules then bind to receptors on the postsynaptic cell's side of the synaptic cleft. Finally, the neurotransmitters must be cleared from the synapse through one of several potential mechanisms including enzymatic degradation or re-uptake by specific transporters either on the presynaptic cell or possibly by neuroglia to terminate the action of the transmitter.The adult human brain is estimated to contain from 1014 to 5 × 1014 (100–500 trillion) synapses. Every cubic millimeter of cerebral cortex contains roughly a billion (short scale, i.e. 109) of them.The word "synapse" comes from "synaptein", which Sir Charles Scott Sherrington and colleagues coined from the Greek "syn-" ("together") and "haptein" ("to clasp"). Chemical synapses are not the only type of biological synapse: electrical and immunological synapses also exist. Without a qualifier, however, "synapse" commonly means chemical synapse.".
- Chemical_synapse thumbnail Chemical_synapse_schema_cropped.jpg?width=300.
- Chemical_synapse wikiPageExternalLink main?stype=lite&keyword=synapse&Submit=Go&event=display&start=1.
- Chemical_synapse wikiPageExternalLink synapse.html.
- Chemical_synapse wikiPageExternalLink contents.stm.
- Chemical_synapse wikiPageExternalLink synapses.htm.
- Chemical_synapse wikiPageID "27809".
- Chemical_synapse wikiPageRevisionID "603140612".
- Chemical_synapse hasPhotoCollection Chemical_synapse.
- Chemical_synapse subject Category:Cell_signaling.
- Chemical_synapse subject Category:Cellular_neuroscience.
- Chemical_synapse subject Category:Neurobiology.
- Chemical_synapse subject Category:Neurophysiology.
- Chemical_synapse subject Category:Signal_transduction.
- Chemical_synapse comment "Chemical synapses are specialized junctions through which neurons signal to each other and to non-neuronal cells such as those in muscles or glands. Chemical synapses allow neurons to form circuits within the central nervous system. They are crucial to the biological computations that underlie perception and thought.".
- Chemical_synapse label "Chemical synapse".
- Chemical_synapse label "Химический синапс".
- Chemical_synapse label "مشبك كيميائي".
- Chemical_synapse sameAs m.06xxw.
- Chemical_synapse sameAs Q2643251.
- Chemical_synapse sameAs Q2643251.
- Chemical_synapse wasDerivedFrom Chemical_synapse?oldid=603140612.
- Chemical_synapse depiction Chemical_synapse_schema_cropped.jpg.
- Chemical_synapse isPrimaryTopicOf Chemical_synapse.
