{"id":34791,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/tabicacion-del-tracto-de-salida-cardiaco-y-desarrollo-embrionario-de-la-valvula-aortica-bicuspide-en-el-hamster-sirio-mesocricetus-auratus-waterhouse-1839\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"tabicacion-del-tracto-de-salida-cardiaco-y-desarrollo-embrionario-de-la-valvula-aortica-bicuspide-en-el-hamster-sirio-mesocricetus-auratus-waterhouse-1839","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/tabicacion-del-tracto-de-salida-cardiaco-y-desarrollo-embrionario-de-la-valvula-aortica-bicuspide-en-el-hamster-sirio-mesocricetus-auratus-waterhouse-1839\/","title":{"rendered":"Tabicacion del tracto de salida cardiaco y desarrollo embrionario de la valvula aortica bicuspide en el hamster sirio mesocricetus auratus (waterhouse, 1839)."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Fernandez Corujo Francisco De Borja <\/strong><\/h2>\n<p>Los estudios que han conducido a la redacci\u00f3n de la presente tesis se han realizado en el h\u00e1mster sirio y se refieren a la v\u00e1lvula a\u00f3rtica card\u00edaca. Los objetivos fueron los siguientes: 1) estudiar el proceso normal de tabicaci\u00f3n del tracto de salida card\u00edaco embrionario; 2) estudiar el proceso de excavaci\u00f3n de los primordios valvulares; 3) dilucidar el o los mecanismos morfogen\u00e9ticos implicados en la formaci\u00f3n de las v\u00e1lvulas a\u00f3rticas de tipo bic\u00faspide (y cuadric\u00faspide); 4) dilucidar el origen embrionario de las fusiones comisurales y de los rafes.  el material utilizado ha consistido en v\u00e1lvulas a\u00f3rticas de hamsters adultos y en un total de 406 embriones de esta misma especie. Las t\u00e9cnicas empleadas han sido:  microscop\u00eda \u00f3ptica convencional, secciones semifinas para microscop\u00eda \u00f3ptica, microscop\u00eda electr\u00f3nica de barrido e inmunohistoqu\u00edmica.  las principales conclusiones derivadas de este estudio son las siguientes: 1) todas las variantes valvulares, normal y an\u00f3malas, presentes en los hamsters adultos se desarrollan como tales variantes desde el inicio de la valvulog\u00e9nesis; 2) la tabicaci\u00f3n del conotruncus se produce por la fusi\u00f3n de las crestas conotruncales debido a un proceso de transformaci\u00f3n epitelio-mes\u00e9nquima; 3) la parte muscular de las paredes de los senos valvulares se forma gracias a la incorporaci\u00f3n de c\u00e9lulas mesenquim\u00e1ticas de los cojines valvulares a las porciones proximales de la pared arterial y a su progresiva diferenciaci\u00f3n en c\u00e9lulas musculares lisas; este proceso conlleva el cambio de forma de dichos cojines, que pasan de una forma semiconal a otra semilunar; 4) el desarrollo embrionario de las v\u00e1lvulas a\u00f3rticas bic\u00faspides y de las v\u00e1lvulas tric\u00faspides con fusi\u00f3n comisural se debe a una anomal\u00eda en el proceso de fusi\u00f3n de las crestas conotruncales durante la tabicaci\u00f3n conotruncal; la anomal\u00eda consiste en una fusi\u00f3n excesiva de las crestas hacia sus extremos<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Tabicacion del tracto de salida cardiaco y desarrollo embrionario de la valvula aortica bicuspide en el hamster sirio mesocricetus auratus (waterhouse, 1839).<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Tabicacion del tracto de salida cardiaco y desarrollo embrionario de la valvula aortica bicuspide en el hamster sirio mesocricetus auratus (waterhouse, 1839). <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Fernandez Corujo Francisco De Borja <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 M\u00e1laga<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/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>Valent\u00edn Sans Coma<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Arque Gibernau Jos\u00e9 Mar\u00eda <\/li>\n<li>Ramon Mu\u00f1oz-chapuli Oriol (vocal)<\/li>\n<li> De La Calle Martin Adelaida (vocal)<\/li>\n<li> De Andr\u00e9s Fernandez Amelia Victoria (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Fernandez Corujo Francisco De Borja Los estudios que han conducido a la redacci\u00f3n de la presente tesis [&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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