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Examination of carefully oriented 1-mum and 5-mum sections of mouse dorsal tongue together with scanning electron microscope observations indicates a high degree of cellular organization in the papillae. It has been suggested that each filiform papilla consists of 2 dominant and 2 minor columns of cells. Labelling patterns of the basal cells have been investigated in relation to these columns.
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Hume et al. (1976) studied this question.
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