Abstract
Centrioles were observed in varying stages of migration in bipolar sensing cells from domestic rabbit, wild rabbit, dog, and cat olfactory epithelia. The centrioles were seen in their normal juxtapositions with the nuclei and the basal bodies and also throughout the length of the narrow dendritic processes. Dendrites that contain centrioles have few mitochondria present. The evidence suggests that the centrioles reduplicate in the cell body and then migrate to the terminal swelling for ciliogenesis. We conclude that centriole reduplication and migration are necessary processes in cilia replacement and possibly in new cell development and cell regeneration throughout the life of the animal.
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