The presence of within varicosities initiates the release of neurotransmitter. A) voltage -gated K⁺channels B) mechanically -gated Na⁺channels C) voltage -gated Na⁺channels D) voltage -gated Ca²⁺channels E) mechanically -gated Ca²⁺channels

Question

Quizplus · Accepted Answer

Voltage-gated calcium channels are crucial for the release of neurotransmitters from varicosities, as they allow calcium ions to enter the neuron upon depolarization, triggering vesicle fusion and neurotransmitter release.

The Presence of Within Varicosities Initiates the Release of Neurotransmitter