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Comparative analysis of senescent exorbital lacrimal glands in male and female albino rats.
J Submicrosc Cytol Pathol
April 2002
Department of Human Morphology and Applied Biology, School of Medicine, Faculty of Veterinary Medicine, University of Pisa, Italy.
In our previous study we described a bilateral-macroscopic and structural dimorphism of young rat exorbital lacrimal gland (Loewenthal's gland), which was the probable cause of the bibliographic discrepancies in the entity and the onset of its sexual dimorphism. Relevant literature also reported sex-dependent alterations in gland structure during senescence. The present study aims to carry out a comparative analysis on age-dependent changes in glands of both sides from male and female rats, using histological, histochemical and transmission electron microscopy, to evaluate whether the gland bilateral-macroscopic and structural dimorphism might influence the kind of alterations which occur in senescence.
View Article and Find Full Text PDFThis study represents a further contribution to our knowledge about the structure of Loewenthal's gland. There are several divergences in the available literature on the topic, concerning both the histological and ultrastructural findings. However, in these studies, the authors did not take into account the potential influence of a putative side-dependent dimorphism previously reported by us.
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