presynaptic


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Related to presynaptic: presynaptic membrane

presynaptic

 [pre″sĭ-nap´tik]
situated or occurring proximal to a synapse.

pre·syn·ap·tic

(prē'sin-ap'tik),
Pertaining to the area on the proximal side of a synaptic cleft.

presynaptic

(prē′sĭ-năp′tĭk)
adj.
Situated in front of or occurring before a synapse: a presynaptic nerve fiber; a presynaptic stimulus.

pre·syn·ap·tic

(prē'si-nap'tik)
Pertaining to the area on the proximal side of a synaptic cleft.
References in periodicals archive ?
This synapse is formed between the axon terminal (presynaptic neuron) sending information and the neuron dendrite (postsynaptic neuron) receiving information.
Syntaxin 1A protein is located in the presynaptic region and forms the SNARE complex with SNAP-25 and VAMP2; the SNARE complex is critical in neurotransmission (14).
Where the Ac was an area occupied by clustered synaptic vesicles and At indicated the area of the presynaptic terminal, respectively.
Additionally atropine and scopolamine had showed 10 times higher affinity for presynaptic receptors than postsynaptic receptors (16).
schneideri poison, indicating that this poison seems to act mainly at presynaptic site, including in motor innervation.
Neuronal synapses are highly enriched with mitochondria in order to fulfill the high energy requirements needed to fuel the active processes required for synaptic transmission, producing the ATP needed to maintain synaptic ion homeostasis and phosphorylation reactions in presynaptic terminals [10-12].
The duration of TCA treatment should also be considered.[14] In short-term TCA treatment, patients can respond to indirect-acting sympathomimetics such as ephedrine due to increased presynaptic availability of norepinephrine.
The analysis of central synapses often stimulated presynaptic axons and recorded postsynaptic responses.
In this study, we aimed to extend this knowledge and study the role of striatal presynaptic proteins, with regard to the quantitative changes in their levels, in LID pathogenesis.
As the dose increases, lumateperone also serves as a mesolimbic and mesocortical dopamine receptor phosphoprotein modulator with dual properties, acting at the level of the dopamine D2 receptor both as a presynaptic partial agonist and a postsynaptic antagonist.
It is physiologically controlled by excitatory presynaptic potentials of Ia afferent fibers and inhibitory postsynaptic potentials from muscle spindles of antagonistic muscles.
One possible explanation for these observations is that astrocytes can operate at slower timescales than neurons [23, 24] and thus could possibly maintain activity in postsynaptic neurons after stimulation of the presynaptic neurons has stopped.