Summary
The taste bud of the human fungiform papilla was examined by electron microscopy. Typical type I, type II, and type III cells were found along with contact sites with nerve endings. Vesicles in nerve fibers contacting type I and type II cells suggest that these cells may receive efferent impulses, whereas vesicles and granules in type III cells adjacent to (afferent) nerve fibers support the view that type III cells are sensory receptors. All of these features are virtually indistinguishable from those previously reported in fungiform taste buds of other mammals.
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Supported by fellowship from Campbell Institute for Food Research.
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Paran, N., Mattern, C.F.T. & Henkin, R.I. Ultrastructure of the taste bud of the human fungiform papilla. Cell Tissue Res. 161, 1–10 (1975). https://doi.org/10.1007/BF00222109
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DOI: https://doi.org/10.1007/BF00222109