{"id":74626,"date":"2018-03-09T23:19:40","date_gmt":"2018-03-09T23:19:40","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/morfometria-topografica-circanual-de-la-glandula-pineal-de-la-rata-albina\/"},"modified":"2018-03-09T23:19:40","modified_gmt":"2018-03-09T23:19:40","slug":"morfometria-topografica-circanual-de-la-glandula-pineal-de-la-rata-albina","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/morfometria-topografica-circanual-de-la-glandula-pineal-de-la-rata-albina\/","title":{"rendered":"Morfometr\u00eda topogr\u00e1fica circanual de la gl\u00e1ndula pineal de la rata albina"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Salvador Hern\u00e1ndez S\u00e1nchez <\/strong><\/h2>\n<p>La gl\u00e1ndula pineal de vertebrados inferiores y mam\u00edferos, ha sido estudiada desde diferentes puntos de vista con el fin de intentar establecer los par\u00e1metros r\u00edtmicos de su funcionamiento tanto fisiol\u00f3gicamente como morfol\u00f3gicamente. Estudios cariom\u00e9tricos realizados por quay y renzoni (1966) y renzoni y quay (1964) en pinealocitos de roedores pusieron de manifiesto la existencia de variaciones del tama\u00f1o nuclear durante ciclos de 24 horas.  tales variaciones furon tambi\u00e9n apuntadas entre las regiones cortical y medular de la gl\u00e1ndula. Tales diferencias corticomedulares no han sido confirmadas por todos los autores (welsh, 1979; heidb\u00ed\u00bcchel y vollrath, 1983), uanque si han sido sugeridas por otros (brumfield, 1970; l\u00f3pez iglesias, 1987; cimas y cols. 1992). Voltrath, (1981) describe varios tipos de pineales atendiendo a su longitud en relaci\u00f3n con el iii ventr\u00edculo, clasific\u00e1ndose en pineales tipo a, (las mas cortas), tipo ab y tipo abc (las de mayor longitud), sugiriendo que estas diferencias de tama\u00f1os podr\u00edan corresponder a tipos con diferente morfofuncionalidad topogr\u00e1fica.  recientemente hira (1998) se\u00f1ala la existencia de un gradiente progresivo de variaciones de los indices nucleares dela pinela de rata de proximal a distal y de perif\u00e9rico a central, resultados \u00e9stos que aparecen apuntar a lo referido anteriormente por algunos autors sobre la actividad morfofuncional de la pineal. Bas\u00e1ndonos en estos datos y atendiendo a que enla mayor\u00eda de las experiencias no se han seguido de unplantamiento con unas caracter\u00edsticas de hoarario, circadianidad y estacionalidad simlares, que pueden afirmar o negar categ\u00f3ricamente la variopinta morfofuncionalidad que algunos autores sugieren, hemos planteado el presente trabajo con el prop\u00f3sito de estudiar si las fluctuaciones duncionales apuntadas se mantienen o modifican significativamente a lo largo de todo un a\u00f1o, y di adem\u00e1s estas fluctuaciones sonsimilares odiferentes<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Morfometr\u00eda topogr\u00e1fica circanual de la gl\u00e1ndula pineal de la rata albina<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Morfometr\u00eda topogr\u00e1fica circanual de la gl\u00e1ndula pineal de la rata albina <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Salvador Hern\u00e1ndez S\u00e1nchez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 16\/06\/2005<\/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>Francisco Mart\u00ednez Soriano<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco jos\u00e9 S\u00e1nchez del campo <\/li>\n<li>amparo Ruiz torner (vocal)<\/li>\n<li>alfonso Puchades orts (vocal)<\/li>\n<li>Alberto Prats galino (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Salvador Hern\u00e1ndez S\u00e1nchez La gl\u00e1ndula pineal de vertebrados inferiores y mam\u00edferos, ha sido estudiada desde diferentes puntos [&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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