Abstract
Special dumbbell-shaped cells of unknown nature, rich in catecholamines and giving a specific yellowish-green luminescence, were found inside the taste buds. The taste buds responded differently to preliminary (24 h before taking the material) injection of reserpine (0.25 mg). In some taste buds the dumbbell cells lost their property of specific luminescence and became invisible. In othertaste buds the intensity of luminescence of the cells, especially of their outer thickenings, was sharply reduced. Adrenergic nerve fibers, giving green luminescence, were found in the lingual epithelium of the tongue as bundles and single varicose axons, winding around the blood vessels entering the taste buds as well as other blood vessels. The epithelial tissue of the tongue was richly innervated with adrenergic fibers.
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Savushkina, M.A., Krokhina, E.M. & Esakov, A.I. Investigation of the taste buds of the frog tongue by luminescence microscopy. Bull Exp Biol Med 78, 1336–1339 (1974). https://doi.org/10.1007/BF00804377
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DOI: https://doi.org/10.1007/BF00804377