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synaptic vesicle |
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synaptic vesicle [si¦nap·tik ′ves·ə·kəl] (neuroscience) A small membrane-bound structure in the axon terminals of nerve cells that contains neurotransmitters and releases them by exocytosis when an action potential reaches the terminal. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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While watching the fluorescent VAMP travel through axons, however, the scientists realized that the microtubules were transporting packets containing large amounts of the protein, many more molecules than needed to form a single synaptic vesicle. |
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