{"id":38362,"date":"1998-01-07T00:00:00","date_gmt":"1998-01-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-morfometrico-del-testiculo-del-vison-mustela-vison-cambios-en-la-ultraestructura-y-actividad-esteroidogenica-de-las-celulas-de-leydig-con-la-edad-y-el-fotoperiodo\/"},"modified":"1998-01-07T00:00:00","modified_gmt":"1998-01-07T00:00:00","slug":"estudio-morfometrico-del-testiculo-del-vison-mustela-vison-cambios-en-la-ultraestructura-y-actividad-esteroidogenica-de-las-celulas-de-leydig-con-la-edad-y-el-fotoperiodo","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/estudio-morfometrico-del-testiculo-del-vison-mustela-vison-cambios-en-la-ultraestructura-y-actividad-esteroidogenica-de-las-celulas-de-leydig-con-la-edad-y-el-fotoperiodo\/","title":{"rendered":"Estudio morfometrico del testiculo del vison (mustela vison): cambios en la ultraestructura y actividad esteroidogenica de las celulas de leydig con la edad y el fotoperiodo."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Albina Roman Castro <\/strong><\/h2>\n<p>El vis\u00f3n, mustela vison, es un mam\u00edfero semiacu\u00e1tico con reproducci\u00f3n estacional. Se le clasifica como animal de fotoperiodo decreciente y de d\u00edas cortos, ya que la recrudescencia testicular se produce tras el solsticio de verano y la \u00e9poca de monta tiene lugar antes del equinoccio de primavera. El objetivo de este trabajo es determinar los cambios inducidos por el fotoperiodo en el test\u00edculo de visones en crecimiento y adultos.  se emplearon 6 grupos de visones de granja. 4 grupos eran visones en crecimiento de 3 semanas y 2, 6 y 8 meses de edad y 2 grupos de visones adultos de 10 meses de edad, en fase de actividad sexual y 18 meses de edad, en fase de regresi\u00f3n testicular. Los test\u00edculos se fijaron por perfusi\u00f3n intracardiaca con fijador de karnovsky y se incluyeron en parafina y epon 812.  se determinaron diversos par\u00e1metros morfom\u00e9tricos de los t\u00fabulos semin\u00edferos y de la morfolog\u00eda y ultraestructura de las c\u00e9lulas de leydig. Tambi\u00e9n mediante marcaje inmunohistoqu\u00edmico, se determin\u00f3 la actividad esteroidog\u00e9nica de las c\u00e9lulas de leydig.  los resultados obtenidos indican que la actividad esteroidog\u00e9nica de las c\u00e9lulas de leydig est\u00e1 correlacinada con su ultraestructura, principalmente con las mitocondrias y los liposomas. De esta forma la recrudescencia testicular est\u00e1 asociada con mitocondrias redondeadas de mayor tama\u00f1o y \u00e1rea de superficie de sus crestas. As\u00ed mismo, en el vis\u00f3n existe una relaci\u00f3n inversa entre la acumulaci\u00f3n de l\u00edpidos en el citoplasma de las c\u00e9lulas de leydig y su actividad biosint\u00e9tica. Se observ\u00f3 tambi\u00e9n, la existencia en el test\u00edculo postnatal de c\u00e9lulas de leydig fetales, las cuales persisten hasta al menos la edad de 3 semanas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio morfometrico del testiculo del vison (mustela vison): cambios en la ultraestructura y actividad esteroidogenica de las celulas de leydig con la edad y el fotoperiodo.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio morfometrico del testiculo del vison (mustela vison): cambios en la ultraestructura y actividad esteroidogenica de las celulas de leydig con la edad y el fotoperiodo. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Albina Roman Castro <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/07\/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>Lucas Moya Jimenez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: ignacio Salazar beloqui <\/li>\n<li>Antonio Bernabe salazar (vocal)<\/li>\n<li>alfonso Blanco rodriguez (vocal)<\/li>\n<li>Andr\u00e9s Beiras iglesias (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Albina Roman Castro El vis\u00f3n, mustela vison, es un mam\u00edfero semiacu\u00e1tico con reproducci\u00f3n estacional. Se le clasifica [&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":[35,730,977,226],"tags":[99703,532,3002,1954,21615,21669],"class_list":["post-38362","post","type-post","status-publish","format-standard","hentry","category-ciencias-de-la-vida","category-histologia-animal","category-santiago-de-compostela","category-zoologia","tag-albina-roman-castro","tag-alfonso-blanco-rodriguez","tag-andres-beiras-iglesias","tag-antonio-bernabe-salazar","tag-ignacio-salazar-beloqui","tag-lucas-moya-jimenez"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/38362","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=38362"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/38362\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=38362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=38362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=38362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}