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.
neurotransmitters. Neurotransmitters can fit into the receptor proteins on another neuron. Neurons do not touch each other. They are separated by a small gap called a synapse. 2. Obtain the following materials from your teacher: Two large diagrams of neuronsâa sending neuron and a receiving neuron.