Mouse Taste Buds Release Serotonin in Response to Taste Stimuli

Abstract
Cell-to-cell interactions and synaptic integration may occur within taste buds prior to signals being exported from these peripheral sensory organs to the CNS (Roper, 1992; Kaya et al., 2004). In principle, these interactions could include chemical and electrical synapses between taste cells and synapses from taste cells to sensory afferent fibers. Knowing which transmitters are released at synapses in taste buds would help clarify how signals are processed in taste buds but to date this information is lacking.

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