{"id":1107,"date":"1994-01-01T00:00:00","date_gmt":"1994-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1994\/01\/01\/desarrollo-testicular-en-la-descendencia-de-ratones-albinos-tratados-con-estrogenos\/"},"modified":"1994-01-01T00:00:00","modified_gmt":"1994-01-01T00:00:00","slug":"desarrollo-testicular-en-la-descendencia-de-ratones-albinos-tratados-con-estrogenos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-agrarias\/desarrollo-testicular-en-la-descendencia-de-ratones-albinos-tratados-con-estrogenos\/","title":{"rendered":"Desarrollo testicular en la descendencia de ratones albinos tratados con estrogenos."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Claudia Perez Martinez <\/strong><\/h2>\n<p>Realizamos el estudio morfologico, cronologico y estadistico de las lesiones producidas en el testiculo de la descendencia de ratones hembra nmri, tras la administracion de dosis totales de 300 microgramos por kilogramo de des y zeranol, via subcutanea, en los dias 9 y 10 de gestacion. Nuestro objetivo fue contribuir al estudio de la accion de los estrogenos durante la gestacion, asi como la posible asociacion entre su administracion y el desarrollo de anomalias genitales, incluyendo las neoplasias. Para ello utilizamos el raton como modelo, ya que sus lesiones son muy similares a las descritas en el hombre. Empleamos el des como control positivo, centrando el estudio en las acciones del zeranol.  con ambos tratamientos comprobamos una disminucion en peso de los fetos y en su numero en los tratados con des.  ademas se observo una mas temprana diferenciacion de los cordones sexuales secundarios, asi como alteraciones en los gonocitos. Cuando se administro des se mostro una retencion del conducto de miller.  con ambas sustancias aumentaron el numero de abortos y una disminucion del numero de crias viables, que afectaba principalmente a los machos. Produciendose a demas un retraso en el momento del parto en des.  ambos estrogenos provocaban lesiones testiculares de caracter regresivo, con un marcado caracter citotoxico consistente en mitosis atipicas, presencia de celulas multinucleadas y fenomenos de vacuolizacion con ambos se comprobo hiperplasia de celulas deleydig y dilatacion de la red testicular asi como una displasia epitelial de caracter papilomatoso.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Desarrollo testicular en la descendencia de ratones albinos tratados con estrogenos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Desarrollo testicular en la descendencia de ratones albinos tratados con estrogenos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Claudia Perez Martinez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Le\u00f3n<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1994<\/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> Ferreras Estrada M. Carmen<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Amador Jover Moyano <\/li>\n<li>Antonio  M. Gazquez Ortiz (vocal)<\/li>\n<li>Alfredo Escudero Diez (vocal)<\/li>\n<li>David Ordo\u00f1ez Escudero (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Claudia Perez Martinez Realizamos el estudio morfologico, cronologico y estadistico de las lesiones producidas en el testiculo [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[494,515,4430,495],"tags":[4564,533,543,4562,4565,4563],"class_list":["post-1107","post","type-post","status-publish","format-standard","hentry","category-ciencias-agrarias","category-ciencias-veterinarias","category-leon","category-patologia-veterinaria","tag-alfredo-escudero-diez","tag-amador-jover-moyano","tag-antonio-m-gazquez-ortiz","tag-claudia-perez-Martinez","tag-david-ordonez-escudero","tag-ferreras-estrada-m-carmen"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/1107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=1107"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/1107\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=1107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=1107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=1107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}