Epithelial regeneration was determined with light and electron microscopy after preferential chemical destruction of olfactory epithelium in rabbits. Regeneration of either olfactory epithelium, ciliated columnar epithelium or a mixture of the two occurred. Previously observed interspecies variation in olfactory regenerative capability is therefore also an intraspecies variable. The ducts or glands of Bowman appeared to furnish the cells for either type of epithelial regeneration. Well differentiated olfactory cells re‐appeared as early as eight days after destruction with olfactory regeneration being essentially completed 30 days after destruction.
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