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Cyclical changes in epithelial cells of the vaginal cul-de-sac of brushtail possums (Trichosurus vulpecula) by J.L. Crawford; B.J. McLeod; P.R. Hurst is a scholarly article available to read on EtoBox.

What is Cyclical changes in epithelial cells of the vaginal cul-de-sac of brushtail possums (Trichosurus vulpecula) about?

The aim of this study was to describe and quantify the changes that occur in cul-de-sac tissue, in particular to epithelial cells and their constituents, at specific stages of the estrous cycle in the brushtail possum. Stereological techniques were used to quantify changes in cul-de-sac epithelial cells collected at four stages of the estrous cycle; the time of removal of pouch young (RPY; n ϭ 5), of initial follicle development (n ϭ 5), of preovulatory follicle formation (n ϭ 5), of midluteal stage (n ϭ 4), and again at RPY (n ϭ 5) after completion of the experiment to examine for any effects due to season or time. Tissue was weighed and processed for light microscopy, transmission electron microscopy, and stereological analysis. Cul-de-sac epithelial cell volume increased approximately 17-fold at the time of preovulatory follicle formation compared with that at the time of RPY, before declining (approximately four-fold greater than at RPY) during the midluteal phase. Epithelial cell volume enlargement was correlated strongly with the size of the preovulatory follicle present, and maximum size was coincidental with the formation of extracellular spaces and projection of cell proce

Author

J.L. Crawford; B.J. McLeod; P.R. Hurst

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0003-276X)

Published

1999

Language

EN