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Morphology of the Non-Sensory Tissue Components in Rat Aging Vomeronasal Organ

2011; Wiley; Volume: 40; Issue: 4 Linguagem: Inglês

10.1111/j.1439-0264.2011.01064.x

1439-0264

Sohair A. Eltony, Sanaa A.M. Elgayar,

Biochemical Analysis and Sensing Techniques

Anatomia, Histologia, EmbryologiaVolume 40, Issue 4 p. 263-277 ORIGINAL ARTICLE Morphology of the Non-Sensory Tissue Components in Rat Aging Vomeronasal Organ S. A. Eltony, Corresponding Author S. A. Eltony Tel.: +02(0101031153); fax: +2(088)2343703;e-mail: [email protected]Search for more papers by this authorS. A. Elgayar, S. A. Elgayar Address of authors: Department of Histology, Faculty of Medicine, Assiut University, Assiut 71515, EgyptSearch for more papers by this author S. A. Eltony, Corresponding Author S. A. Eltony Tel.: +02(0101031153); fax: +2(088)2343703;e-mail: [email protected]Search for more papers by this authorS. A. Elgayar, S. A. Elgayar Address of authors: Department of Histology, Faculty of Medicine, Assiut University, Assiut 71515, EgyptSearch for more papers by this author First published: 15 March 2011 https://doi.org/10.1111/j.1439-0264.2011.01064.xCitations: 4Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Abstract With 30 figures, 3 histograms and 3 tables Summary The vomeronasal organ (VNO) is a chemosensory organ that detects environmental pheromones. The morphology of the 'non-sensory' epithelium (NSE) of the VNO and its lamina propria, as well as how it relates to ageing has received little attention. Histological, histochemical, morphometric and ultrastructural techniques were used to study the morphological structure of the rat NSE in five adult (3 months old) and five aged (2–2.5 years old) male albino rats. In adult rats, the NSE contained dark and light columnar cells with predominance of the latter. The surface of the epithelial cells was covered with microvilli and/or cilia. The lamina propria contained serous vomeronasal glands (VNGs), smooth muscles with numerous variable-sized mitochondria, vessels including lymphatic capillaries and nerve bundles. The following changes were detected in aged rats. The NSE exhibited an increase in number of dark columnar cells. Some cells revealed a prominent cell coat, dense aggregation of filaments in the luminal cytoplasm and appearance of multinucleated cells. 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