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WordReference Random House Learner's Dictionary of American English © 2024syn•apse /ˈsɪnæps, sɪˈnæps/USA pronunciation n. [countable]- Cell Biology
- a region where nerve impulses are transmitted across a small gap from the end of one nerve cell to another nerve cell, or to a muscle.
- Also called synˈap•tic ˈgap. the gap itself.
syn•ap•tic /sɪˈnæptɪk/USA pronunciation adj. WordReference Random House Unabridged Dictionary of American English © 2024syn•apse (sin′aps, si naps′),USA pronunciation n., v., -apsed, -aps•ing. [Physiol.]n. - Cell Biologya region where nerve impulses are transmitted and received, encompassing the axon terminal of a neuron that releases neurotransmitters in response to an impulse, an extremely small gap across which the neurotransmitters travel, and the adjacent membrane of an axon, dendrite, or muscle or gland cell with the appropriate receptor molecules for picking up the neurotransmitters.
v.i. - Cell Biologyto form a synapse or a synapsis.
- back formation from synapses, plural of synapsis 1895–1900
Collins Concise English Dictionary © HarperCollins Publishers:: synapse /ˈsaɪnæps/ n - the point at which a nerve impulse is relayed from the terminal portion of an axon to the dendrites of an adjacent neuron
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