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%ما هو (من)٪ 1 - تعريف
A SECRETORY ORGANELLE, TYPICALLY 50 NM IN DIAMETER, OF PRESYNAPTIC NERVE TERMINALS; ACCUMULATES IN HIGH CONCENTRATIONS OF NEUROTRANSMITTERS AND SECRETES THESE INTO THE SYNAPTIC CLEFT BY FUSION WITH THE 'ACTIVE ZONE' OF THE PRESYNAPTIC PLASMA MEMBRANE
Presynaptic vesicle; Neurotransmitter vesicles; Neurotransmitter vesicle; Synaptic vessicle; Neurotransmitter vessicle; Release of neurotransmitters; Synaptic vesicles; Trafficking protein; Readily releasable pool; Recycling pool; Reserve pool; Synaptic vesicle recycling
Synaptic vesicle
In a neuron, synaptic vesicles (or neurotransmitter vesicles) store various neurotransmitters that are released at the synapse. The release is regulated by a voltage-dependent calcium channel.
SV2A
MAMMALIAN PROTEIN FOUND IN HOMO SAPIENS
SV2A (gene); Synaptic vesicle glycoprotein 2A; Synaptic vesicle protein 2A
Synaptic vesicle glycoprotein 2A is a ubiquitous synaptic vesicle protein that in humans is encoded by the SV2A gene. The protein is targeted by the anti-epileptic drugs (anticonvulsants) levetiracetam and brivaracetam.
Synaptic noise
Synaptic Noise; Synaptic-noise
Synaptic noise refers to the constant bombardment of synaptic activity in neurons. This occurs in the background of a cell when potentials are produced without the nerve stimulation of an action potential, and are due to the inherently random nature of synapses.
ويكيبيديا
Synaptic vesicle
In a neuron, synaptic vesicles (or neurotransmitter vesicles) store various neurotransmitters that are released at the synapse. The release is regulated by a voltage-dependent calcium channel. Vesicles are essential for propagating nerve impulses between neurons and are constantly recreated by the cell. The area in the axon that holds groups of vesicles is an axon terminal or "terminal bouton". Up to 130 vesicles can be released per bouton over a ten-minute period of stimulation at 0.2 Hz. In the visual cortex of the human brain, synaptic vesicles have an average diameter of 39.5 nanometers (nm) with a standard deviation of 5.1 nm.
