{"id":133912,"date":"1997-01-01T00:00:00","date_gmt":"1997-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/injertos-de-tercer-arco-branquial-en-embriones-de-pollo-gallus-domesticus-origen-de-las-glandulas-paratiroides\/"},"modified":"1997-01-01T00:00:00","modified_gmt":"1997-01-01T00:00:00","slug":"injertos-de-tercer-arco-branquial-en-embriones-de-pollo-gallus-domesticus-origen-de-las-glandulas-paratiroides","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/injertos-de-tercer-arco-branquial-en-embriones-de-pollo-gallus-domesticus-origen-de-las-glandulas-paratiroides\/","title":{"rendered":"Injertos de tercer arco branquial en embriones de pollo (gallus domesticus). origen de las glandulas paratiroides."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Vanessa Roldan Schilling <\/strong><\/h2>\n<p>Clasicamente se ha venido estableciendo el origen de las glandulas paratiroides a partir de la tercera (paratiroides iii) y cuarta (paratiroides iv) bolsas faringeas, quedando con ello patente su naturaleza endodermica (torneaux y verdun, 1897; kingsbury, 1915; weller 1933; poloitzer y hahn, 1935; norris, 1937; schrier y hamilton, 1952; moore, 1975; langman, 1976; hamilton y mossman, 1975; hilfer y brown, 1984, entre otros). Por el contrario, los trabajos de garcia et al.  (1985, 1987) se inclinan por se\u00f1alar un origen ectodermico para las citadas glandulas. Pero es que ademas, dichas glandulas comparten rasgos comunes con derivados crestoneurales (pearse, 1977; fujita 1980).  tras el analisis de la literatura que se ocupa del estudio de las glandulas paratoroides, hemos podido comprobar que la mayoria de los autores coinciden en abogar por la clasica teoria que establece un origen endodermico (a partir de las bolsas faringeas) para las glandulas paratiroides. Nosotros realizaremos, para tratar de comprobar la realidad del citado origen, homoinjertos de tercer arco branquial en embriones de pollo, a fin de analizar si existe participacion endodermica (tercera bolsa faringea), o si por el contrario hay otros elementos (aislada o conjuntamente) implicados en la genesis paratiroidea, tales como la placoda epifaringea y las celulas de naturaleza crestoneural. Se trata de aislar en un embrion de pollo donante el tercer arco branquial, para seguidamente injertarlo en un embrion receptor del mismo estadio. El injerto habra de realizarse bien en la base de implantacion del ala, bien en la en la cavidad celomatica (lugares alejados y diferentes del entorno en que normalmente se organizan las glandulas). De este modo podremos analizar a partir de que estructuras se organizan las glandulas paratiroides.  nuestros resultados, sugieren, que las glandulas paratiroides iii, se organizan, fundamentalmente a partir de la placoda epifaringea,<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Injertos de tercer arco branquial en embriones de pollo (gallus domesticus). origen de las glandulas paratiroides.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Injertos de tercer arco branquial en embriones de pollo (gallus domesticus). origen de las glandulas paratiroides. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Vanessa Roldan Schilling <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Granada<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1997<\/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>Juan  Antonio M\u00e9rida  Velasco<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Campos Mu\u00f1oz <\/li>\n<li>Jos\u00e9 Francisco Rodr\u00edguez V\u00e1zquez (vocal)<\/li>\n<li>Vicente Crespo Ferrer (vocal)<\/li>\n<li>Javier Ca\u00f1izares Garcia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Vanessa Roldan Schilling Clasicamente se ha venido estableciendo el origen de las glandulas paratiroides a partir de [&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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