going before another in time or order I'd like to follow up on an antecedent question from another reporter Synonyms previous, anterior, foregoing, former, precedent, preceding, priorRelated Words advance, early, premature; earliest, first, inaugural, initial, maiden, original, pioneer; preexisting; introductory, preliminary; erstwhile, whilomNear ...
Neurotransmitters are formed in a presynaptic neuron and stored in small membrane-bound sacks, called vesicles, inside this neuron. When this neuron is activated, these intracellular vesicles fuse with the cell membrane and release their contents into the synapse, a process called exocytosis.
Within a neuron, there are long tubes known as Neurotubules. These carry the synaptic vesicles from the cell body to the synapse (like a factory conveyor belt). When an electrical impulse arrives at the neuron's synapse, the synaptic vesicle fuses with the cell membrane and releases lots of molecules known as Neurotransmitters .