Calcium ions move from mitochondria and endoplasmic reticulum through channels {calcium ion channel} onto receptors. Calcium ions phosphorylate synapsin proteins and cause vesicle fusion with membrane, to trigger neurotransmitter release. Calcium ions clear from receptors by active transport back into mitochondria and endoplasmic reticulum.
Dendrite voltage-gated Ca++ channels can provide non-linear coupling between inputs.
Transmitter-gated calcium-ion channels are like other channels {P/Q-type calcium channel}.
Serotonin and cyclic AMP regulate calcium-ion entry into cells, including neurons.
Biological Sciences>Zoology>Organ>Nerve>Neural Chemical>Channel Ion
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Date Modified: 2022.0224