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Cell Dynamics in the Olfactory Epithelium of the Tiger Salamander: a Morphometric Analysis by A. Mackay-Sim; W. Breipohl; M. Kremer is a Neuroscience article available to read on EtoBox.

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The factors controlling neurogenesis and differentiation of olfactory receptor cells in adults are poorly understood, although it is often stated that these cells undergo continual turnover after a predetermined lifespan. An interesting model in which to study mechanisms which control olfactory receptor neurogenesis and cell turnover is the tiger salamander, since basal cell mitosis varies with epithelial thickness and location in the nasal cavity. This paper presents a quantitative light-microscopic study of the different cell types within the ventral olfactory epithelium of the tiger salamander using a computer-assisted morphometric analysis of 2 micron sections. The results show that the surface density of olfactory vesicles remained constant throughout most of the epithelium and was independent of nasal cavity location, epithelial thickness and the total number of nuclei per unit epithelial surface area. Histological classification of nuclei into different cell types indicated that the increase in total cell number with epithelial thickness was mainly due to an increase in the number of immature receptor cells since the number of supporting cells varied only slightly and the nu

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Author

A. Mackay-Sim; W. Breipohl; M. Kremer

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0014-4819)

Published

1987

Language

EN

Field

Neuroscience (Life Sciences)