释义 |
synaptic vesicle
synaptic vesiclen. Any of several small, intracellular, membrane-bound vesicles at a synaptic junction of neurons that contain a neurotransmitter.synaptic vesicle
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. synaptic vesicle
synaptic vesiclen. Any of several small, intracellular, membrane-bound vesicles at a synaptic junction of neurons that contain a neurotransmitter.synaptic vesicleA membranous sac located within the presynaptic membrane of an axon terminal and containing a neurotransmitter.See also: vesicleThesaurusSeevesicle |