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Autoradiographic and ultrastructural observations on the frog's olfactory mucosa

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Summary

Autoradiographic techniques have been employed to study the cell turnover in the olfactory mucosa of frog. It has been established that basal cells of the olfactory epithelium divide and differentiate into mature neurons in adult animals. These findings prove that the olfactory neurons are replaced during the adult life. Supporting cells were also found to undergo turnover. The basal cells are indicated as the stem elements of both supporting and sensory cells as they undergo division and maturation processes leading to the replacement of both supporting and sensory cells.

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Authors and Affiliations

  1. Department of Biological Science, Florida State University, Tallahassee, Florida, USA

    P. P. C. Graziadei & J. F. Metcalf

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  1. P. P. C. Graziadei
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  2. J. F. Metcalf
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Additional information

The authors wish to acknowledge the technical assistance in preparation of pictures to Mrs. A. Black and Mrs. C. Lewis for manuscript. This research was supported in part by grants from National Institutes of Health 1 R01 NB 08943-01A1 CMS and Public Health Service 5 P01 NB 07468-02.

With the technical collaboration of Mrs. L. K. Stuart and Mr. D. M. Watson.

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Graziadei, P.P.C., Metcalf, J.F. Autoradiographic and ultrastructural observations on the frog's olfactory mucosa. Z. Zellforsch. 116, 305–318 (1971). https://doi.org/10.1007/BF00330630

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  • DOI: https://doi.org/10.1007/BF00330630

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