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Synaptic Transmission
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Definition of 'Synaptic Transmission'

The communication from a NEURON to a target (neuron, muscle, or secretory cell) across a SYNAPSE. In chemical synaptic transmission, the presynaptic neuron releases a NEUROTRANSMITTER that diffuses across the synaptic cleft and binds to specific synaptic receptors, activating them. The activated receptors modulate specific ion channels and/or second-messenger systems in the postsynaptic cell. In electrical synaptic transmission, electrical signals are communicated as an ionic current flow across ELECTRICAL SYNAPSES.

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Saturday, November 21, 2009

Neuroligin-2 deletion selectively decreases inhibitory synaptic transmission originating from fast-spiking but not from somatostatin-positive interneurons.

2 Nov 2009 Neuroligins are cell adhesion molecules involved in synapse formation and/or function. Neurons express four neuroligins (NL1-NL4), of which NL1 is specific to excitatory and NL2 to inhibitory synapses. Excitatory and inhibitory synapses include ... Read more...


Schizophrenia; from structure to function with special focus on the mediodorsal thalamic prefrontal loop.

30 Oct 2009 OBJECTIVE: To describe structural and biochemical evidence from postmortem brains that implicates the reciprocal connections between the mediodorsal thalamic nucleus and the prefrontal cortex in cognitive symptoms of schizophrenia. METHOD: The ... Read more...


Regulation of trigeminal respiratory motor activity in the brainstem.

30 Oct 2009 The trigeminal motor system participates in the control of respiration as well as suckling and mastication. However, the central mechanism underlying respiratory activity in trigeminal motoneurons is not well-understood. In this study, we aimed to ... Read more...

 

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Technical information about 'Synaptic Transmission'

Definition: The communication from a NEURON to a target (neuron, muscle, or secretory cell) across a SYNAPSE. In chemical synaptic transmission, the presynaptic neuron releases a NEUROTRANSMITTER that diffuses across the synaptic cleft and binds to specific synaptic receptors, activating them. The activated receptors modulate specific ion channels and/or second-messenger systems in the postsynaptic cell. In electrical synaptic transmission, electrical signals are communicated as an ionic current flow across ELECTRICAL SYNAPSES.

Descriptor UI: D009435

Alternative terms: Synaptic Transmission; Neurotransmission; Transmission, Synaptic; Transmission, Neural; Neural Transmission;

Related Mesh Headings: Synapses; Gap Junctions;

Allowable Qualifiers: drug effects; genetics; immunology; physiology; radiation effects;

Tree Number: G02.111.087.800.850; G02.149.115.800.850; G04.299.880.850; G07.265.337.900; G07.700.240.900; G11.561.600.835;

Online Note: use SYNAPTIC TRANSMISSION to search NEURAL TRANSMISSION 1969-93, NEUROHUMORAL TRANSMISSION 1968, & NERVE TRANSMISSION 1968-93

History Note: 94; was NEURAL TRANSMISSION 1969-93, was NEUROHUMORAL TRANSMISSION 1968; NERVE TRANSMISSION was see NEURAL TRANSMISSION 1969-93

Technical Notes: differentiate entry term NEURAL TRANSMISSION from NEURAL CONDUCTION; consider also NEURAL INHIBITION; neuromuscular transmission = NEUROMUSCULAR JUNCTION / physiol + SYNAPTIC TRANSMISSION

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