{"id":15165,"date":"2018-03-09T09:02:12","date_gmt":"2018-03-09T09:02:12","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/atresia-de-los-fola%c2%adculos-ovaricos-preantrales-de-cerda-identificacion-de-diferentes-tipos-de-degeneracion-celular-y-tisular\/"},"modified":"2018-03-09T09:02:12","modified_gmt":"2018-03-09T09:02:12","slug":"atresia-de-los-fola%c2%adculos-ovaricos-preantrales-de-cerda-identificacion-de-diferentes-tipos-de-degeneracion-celular-y-tisular","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/atresia-de-los-fola%c2%adculos-ovaricos-preantrales-de-cerda-identificacion-de-diferentes-tipos-de-degeneracion-celular-y-tisular\/","title":{"rendered":"Atresia de los fol\u00edculos ov\u00e1ricos preantrales de cerda: identificaci\u00f3n de diferentes tipos de degeneraci\u00f3n celular y tisular."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jacinto Pallar\u00e9s Rodr\u00edguez <\/strong><\/h2>\n<p>En la presente tesis doctoral, se realiza un estudio histol\u00f3gico e histoqu\u00edmico de la atresia en los fol\u00edculos preantrales de cerdas prepuberales y adultas con el fin tanto de poner de manifiesto los cambios que en ellos tienen lugar durante esta fase degenerativa, como para comparar si el proceso histol\u00f3gico es similar al m\u00e1s concodio de los fol\u00edculos antrales. Para ello se utilizaron ovarios de cerdas adultas y prepuverales procedentes de mataderos. Estos se procesaron de forma convencional par su estudio microsc\u00f3pico, y caracterizaci\u00f3n de los distintos estados de atresia. Algunas secciones se utilizaron para estudios histoqu\u00edmicos de carbohidratos, tanto con t\u00e9cnicas convecionales como con lectinas. Parte se utilizaron para estudios inmuocitoquimicos tanto de prote\u00ednas de matriz extracelular como de detecci\u00f3n de c\u00e9lulas proliferantes y apopt\u00f3ticas en los fol\u00edculos preantrales sanos y atr\u00e9sicos. Se observaron diferentes mecanismos histol\u00f3gicos para la eliminaci\u00f3n de los fol\u00edculos preantrales dependiendo del tipo de fol\u00edculo.  as\u00ed, en los fol\u00edculos primordiales, primarios y primarios multilaminares de pequ\u00f1os tama\u00f1o, es el ovocito el primero en degenerarse, y la participaci\u00f3n de la apoptosis es muy baja. Por otro lado, en los fol\u00edculos primarios multilaminares de mayor tama\u00f1o las c\u00e9lulas de la granulosa son las primeras en degenerarse, y en ellos el peso de la apoptosis es algo superior. Se distingui\u00f3 durante la artresia de los primarios multilaminares de peque\u00f1o tamam\u00f1o tres fases, destacando la fase ii, donde las c\u00e9lulas de la granulosa y teca se renian, y terminan por disgregarse en la matriz ov\u00e1rica.Por otro lado, en los multilaminares de gran tama\u00f1o tambi\u00e9n se distingui\u00f3 tres fases, en las dos primeras se va modificando paulatinamente las c\u00e9lulas de la granulosa que adquiere un aspecto estrellado, mientras que en la tercera fase, se produce un colapso del fol\u00edculo. Se observaron las primeras c\u00e9lu<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Atresia de los fol\u00edculos ov\u00e1ricos preantrales de cerda: identificaci\u00f3n de diferentes tipos de degeneraci\u00f3n celular y tisular.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Atresia de los fol\u00edculos ov\u00e1ricos preantrales de cerda: identificaci\u00f3n de diferentes tipos de degeneraci\u00f3n celular y tisular. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jacinto Pallar\u00e9s Rodr\u00edguez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 18\/01\/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>Luis Miguel Pastor Garcia<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  jos\u00e9 Parrilla paricio <\/li>\n<li>Luis Santamar\u00eda solis (vocal)<\/li>\n<li>jordi Roca aleu (vocal)<\/li>\n<li>elisabet Pinart nadal (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jacinto Pallar\u00e9s Rodr\u00edguez En la presente tesis doctoral, se realiza un estudio histol\u00f3gico e histoqu\u00edmico de la [&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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