{"id":15518,"date":"2002-08-02T00:00:00","date_gmt":"2002-08-02T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-estructural-y-ultraestructural-de-ha%c2%adgado-de-los-cetaceos-varados-en-canarias\/"},"modified":"2002-08-02T00:00:00","modified_gmt":"2002-08-02T00:00:00","slug":"estudio-estructural-y-ultraestructural-de-ha%c2%adgado-de-los-cetaceos-varados-en-canarias","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-agrarias\/estudio-estructural-y-ultraestructural-de-ha%c2%adgado-de-los-cetaceos-varados-en-canarias\/","title":{"rendered":"Estudio estructural y ultraestructural de h\u00edgado de los cetaceos varados en canarias"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jos\u00e9 Radu\u00e1n Jaber Mohamad <\/strong><\/h2>\n<p>Los cet\u00e1ceos pueden sufrir una gran diversidad de patolog\u00edas, pero en ocasiones, es la actividad humana o las consecuencias de \u00e9sta, las que ponen en peligro su supervivencia y la conservaci\u00f3n de su h\u00e1bital. El conocimiento de estas patolog\u00edas y las causas de varamiento, resulta necesario para profundizar en la validez de la utilizaci\u00f3n de estos animales como bioindicadores de la \u00absalud\u00bb del medio marino.  el h\u00edgado de estos animales, al igual que en el resto de los mam\u00edferos terrestres y marinos, ocupa un lugar reponderante en el metabolismo general y es un \u00f3rgano diana sobre el que inciden gran cantidad de sustancias contaminantes. \u00e9ste procesa sustancia absorbidas por el intestino, participa en los mecanismos de detoxificaci\u00f3n, y constituye la mayor fuente de prote\u00ednas plasm\u00e1ticas, fundamentales en los mecanismos inflamatorios y de la coagulaci\u00f3n.  el h\u00edgado de los cet\u00e1ceos varados fue el \u00f3rgano sobre el que se realiz\u00f3 el estudio estructural, el an\u00e1lisis ultraestructural y el correspondiente estudio inmunohistoqu\u00edmico (con alfa-1-antitripsina, mhc ii, prote\u00edna s-100, lisozima, cd3 y igg).  de los 73 h\u00edgados analizados, 46 presentaron una hepatitis reactiva cr\u00f3nica no espec\u00edfica, constituyendo la lesi\u00f3n histol\u00f3gica m\u00e1s significativa. \u00e9sta se detect\u00f3 preferentemente en delphinus delphis, stenella coeruleoalba, stenella frontalis, y en menor medida turpsiops truncatus y globicephala macronhynchus. Otro hallazgo observado fue la degeneraci\u00f3n macrovacuolar acidof\u00edlica (inclusiones hialinas intracitoplasm\u00e1ticas) que se present\u00f3 un total de 30 animales. \u00e9Sta se asoci\u00f3 con el varamiento activo, al estar sometido el lobulillo hep\u00e1tico a dificultades en la circulaci\u00f3n de retorno contener alfa-1-antitrispsina (glicoprote\u00edna de fase aguda), asociada mayoritariamente con procesos inflamatorios hep\u00e1ticos. En el interiro de los conductos biliares de 7 de estos cet\u00e1ceos (delphinus delphis, stenella coeruleoalb<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio estructural y ultraestructural de h\u00edgado de los cetaceos varados en canarias<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio estructural y ultraestructural de h\u00edgado de los cetaceos varados en canarias <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jos\u00e9 Radu\u00e1n Jaber Mohamad <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Palmas de gran canaria<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 08\/02\/2002<\/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>Antonio Fern\u00e1ndez Rodr\u00edguez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: amador Jover moyano <\/li>\n<li>Francisco Rodriguez guisado (vocal)<\/li>\n<li>Jos\u00e9 Carlos Gomez villamandos (vocal)<\/li>\n<li>rogelio Herrera p\u00e9rez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jos\u00e9 Radu\u00e1n Jaber Mohamad Los cet\u00e1ceos pueden sufrir una gran diversidad de patolog\u00edas, pero en ocasiones, es [&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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