Publication: Cytomorphological changes in the rabbit oviductal epithelium after human chorionic gonadotropin treatment
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Date
1997
Authors
Bondi, A.M. ; Gabrielli, M.G. ; Marchetti, L. ; Materazzi, G. ; Menghi, Giovanna
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Publisher
Murcia : F. Hernández
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DOI
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info:eu-repo/semantics/article
Description
Abstract
An electron microscopic investigation was
performed to examine the ultrastructural changes
occurring in the rabbit oviductal epithelium after human
chorionic gonadotropin (HCG) administration. Mainly,
the non-ciliated secretory cells proved to be affected by
the hormonal treatment which resulted in qualitative and
quantitative modifications of the secretory patterns
differently expressed in the ampulla and isthmus. Thus,
morphological evidence of intense secretion was
observed in both the oviduct regions at preovulatory
stages. Following ovulation, timing of expression of
active secretory patterns in the ampulla and isthmus
correlated well with the rate of gamete transport and
relative functional roles of the oviductal regions in the
reproductive process. At present, HCG-induced changes
concerning the ciliated cells seem to consist of the
occurrence of secretory granules responsible for the
appearance of "mixed cells".
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