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  • Title: [Effect of sensory and sympathetic denervation of the frog tongue on the catecholamine containing cells of the taste buds].
    Author: Esakov AI, Krokhina EM, Savushkina MA.
    Journal: Tsitologiia; 1976 Oct; 18(10):1180-4. PubMed ID: 1088229.
    Abstract:
    The structure of catecholamine-containing dumb-bell shaped cells of the taste buds was studied by luminescent microscopy in the epithelial layer of the frog's tongue (Rana temporaria). On the unilateral section of the lingual nerve, a maintained adrenergic innervation of vessels and of the epithelium was observed, a decreased number of dumb-bell shaped cells in the taste bud, and their significant enlargement, and increased cathecholamine luminescence. With desympathization, no adrenergic nerves were observed on the vessels and the epithelium of the tongue. The size of the taste buds in desympathized cells of the tongue is sharply decreased and their number is increased. There is a tendency to grouping of the dumbbell shaped cells into 3--4 taste buds in one fungiform papillina. The experiments with sensory and sympathetic denervation of the frog tongue distinctly showed the trophic action of sensory and sympathetic nerves on the taste organ of the frog.
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