{"id":136529,"date":"2026-01-12T16:58:07","date_gmt":"2026-01-12T16:58:07","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/formacion-y-cierre-del-neuroporo-anterior-en-embriones-de-mamiferos-papel-de-la-muerte-celular\/"},"modified":"2026-01-12T16:58:07","modified_gmt":"2026-01-12T16:58:07","slug":"formacion-y-cierre-del-neuroporo-anterior-en-embriones-de-mamiferos-papel-de-la-muerte-celular","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/formacion-y-cierre-del-neuroporo-anterior-en-embriones-de-mamiferos-papel-de-la-muerte-celular\/","title":{"rendered":"Formacion y cierre del neuroporo anterior en embriones de mamiferos. papel de la muerte celular"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Fernandez Vazquez Jos\u00e9 Pedro <\/strong><\/h2>\n<p>En el presente trabajo se realiza un estudio descriptivo del cierre del extremo anterior del tubo neural en embriones de rata. El cierre del prosencefalo se inicia en embriones de 15 somites y se realiza en direccion dorso-ventral, alternando zonas de fusion junto con otras que permanecen abiertas. La ultima zona en fusionarse corresponde al extremo rostral del prosencefalo, que se cierra en embriones de 20 somites. En todas las areas la fusion se produce de superficie a profundidad, desde la luz del tubo neural hacia el ectodermo superficial.  sincronicamente con el cierre del neuroporo anterior aparecen dos areas necroticas, implicadas en dicho cierre: a &#8211; area necrotica de los bordes del canal neural, en el periodo comprendido entre los 7 y los 20 somites. B &#8211; area necrotica ventro-lateral, contorneando ventralmente las evaginaciones opticas, en el periodo comprendido entre los 9 y 22 somites.  la microscopia electronica de transmision revela en estas areas fenomenos tipicos de degeneracion nuclear, con picnosis, condensacion periferica de la cromatina en torno a la membrana nuclear y la presencia de fagosomas con vesiculas de digestion en distintos momentos de su actividad.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Formacion y cierre del neuroporo anterior en embriones de mamiferos. papel de la muerte celular<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Formacion y cierre del neuroporo anterior en embriones de mamiferos. papel de la muerte celular <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Fernandez Vazquez Jos\u00e9 Pedro <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Valladolid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1991<\/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>Enrique Barbosa Ayucar<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Perez Casas <\/li>\n<li>Jos\u00e9 Carreres Quevedo (vocal)<\/li>\n<li>Esperanza Bengoechea Gonzalez (vocal)<\/li>\n<li>Angel Alvarez Arenal (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Fernandez Vazquez Jos\u00e9 Pedro En el presente trabajo se realiza un estudio descriptivo del cierre del extremo [&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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