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Type: Artigo de periódico
Title: Stereology and ultrastructure of the seminal vesicle of C57/BL/6J mice following chronic alcohol ingestion
Author: Gomes, IC
Cagnon, VHA
Carvalho, CAF
De Luca, IMS
Abstract: Excessive alcohol consumption causes metabolic changes and pathologic alterations in testes and accessory sex organ in different animal species. The aim of the present study was to evaluate the macroscopic, histologic and ultrastructural alterations provoked by chronic ingestion of different ethanol concentrations over increasing periods of time on the secretory epithelium of the seminal vesicle of C57/BL/6J mice in using stereological methods. Sixty male adult mice were divided into three experimental groups: Control, Alcoholic 25% and Alcoholic 35%, respectively, receiving tap water and tap water containing ethanol diluted to 25 and 35degrees Gay Lussac. All mice were fed with the same solid diet. After 150 and 250 days of treatment the animals were sacrificed and the seminal vesicles were collected and processed for light and transmission electron microscopy. The cellular, cytoplasmic and nuclear volumes and the area density of autophagic and secretory vacuoles were measured. The histologic alterations observed in the alcoholic mice consisted of a reduction in epithelial size and cell volume, with maintenance of the same nuclear and cytoplasmic ratio as verified in the control groups. The ultrastructural alterations were: increased density of dense body area, decreased density of secretory granule area, and dilated rough endoplasmic reticulum and Golgi cisternae. We conclude that chronic ethanol ingestion causes depleting morphologic alterations in the epithelial cells of the seminal vesicle and negatively affects the secretory process of this gland. (C) 2002 Elsevier Science Ltd. All rights reserved.
Subject: seminal vesicle
Country: Escócia
Editor: Churchill Livingstone
Citation: Tissue & Cell. Churchill Livingstone, v. 34, n. 3, n. 177, n. 186, 2002.
Rights: fechado
Identifier DOI: 10.1016/S0040-8166(02)00029-0
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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