{"id":16725,"date":"2002-06-05T00:00:00","date_gmt":"2002-06-05T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-histomorfometrico-de-las-alteraciones-producidas-por-el-agonista-beta2-adrenergico-clenbuterol-sobre-testa%c2%adculos-de-cerdos\/"},"modified":"2002-06-05T00:00:00","modified_gmt":"2002-06-05T00:00:00","slug":"estudio-histomorfometrico-de-las-alteraciones-producidas-por-el-agonista-beta2-adrenergico-clenbuterol-sobre-testa%c2%adculos-de-cerdos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/estudio-histomorfometrico-de-las-alteraciones-producidas-por-el-agonista-beta2-adrenergico-clenbuterol-sobre-testa%c2%adculos-de-cerdos\/","title":{"rendered":"Estudio histomorfom\u00e9trico de las alteraciones producidas por el agonista beta2 adren\u00e9rgico clenbuterol sobre test\u00edculos de cerdos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Rafaela Flores Acu\u00f1a <\/strong><\/h2>\n<p>Se estudiaron los efectos de la administraci\u00f3n de un agonista beta2-adren\u00e9rgico sobre al morfolog\u00eda testicular en cerdos alimentados con clenbuterol (1ppm), desde los seis a los nueve meses de edad. Los animales tratados con clenbuterol se dividieron en dos grupos; en el grupo clb (n=10) el clenbuterol fue administrado hasta el momento del sacrificio (periodo experimental = 3 meses); en el grupo clbr (n=10) el clenbuterol fue retirado dos semanas antes del sacrificio (periodo experimental = 2,5 meses). En un grupo control (n=10) los cerdos fueron alimentados sin clenbuterol. Los efectos fueron cuantificados mediante m\u00e9todos morfom\u00e9tricos (\u00e1rea, volumen, dimensiones lineales, y factores de forma) y estereol\u00f3gicos (fracci\u00f3n de volumen, densidad de superficie y densidad num\u00e9rica). Los resultados se\u00f1alaron un claro incremento del intersticio testicular en los grupos tratados respecto al control, de manera que los par\u00e1metros morfom\u00e9tricos y estereol\u00f3gicos de las c\u00e9lulas de leydig estuvieron significativamente incrementados en los grupos tratados con clenbuterol. Los efectos en el epitelio semin\u00edfero, se\u00f1alaron una significativa reducci\u00f3n de las densidades de los espermatocitos primarios y espermatozoides, en tanto que estuvieron incrementadas las cifras en las c\u00e9lulas de sertoli y en las espermatidas. El estudio histopatol\u00f3gico manifest\u00f3 la presencia de inclusiones lip\u00eddicas y la formaci\u00f3n de c\u00e9lulas gigantes multinucleadas. aunque los efectos del tratamiento fueron evidentes y similares en los dos grupos a los que se le administr\u00f3 el clenbuterol, la menor severidad de la afectaci\u00f3n testicular en el grupo clbr respecto al clb sugiere una posible reversibilidad de los efectos encontrados.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio histomorfom\u00e9trico de las alteraciones producidas por el agonista beta2 adren\u00e9rgico clenbuterol sobre test\u00edculos de cerdos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio histomorfom\u00e9trico de las alteraciones producidas por el agonista beta2 adren\u00e9rgico clenbuterol sobre test\u00edculos de cerdos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Rafaela Flores Acu\u00f1a <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 06\/05\/2002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Alfonso Blanco Rodriguez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: armando Romanos lezcanos <\/li>\n<li>Emilio Artacho perona (vocal)<\/li>\n<li> V\u00e1zquez ant\u00f3n Jos\u00e9 Mar\u00eda (vocal)<\/li>\n<li>Rafael Rold\u00e1n villalobos (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Rafaela Flores Acu\u00f1a Se estudiaron los efectos de la administraci\u00f3n de un agonista beta2-adren\u00e9rgico sobre al morfolog\u00eda [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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