{"id":23826,"date":"2018-03-09T09:14:32","date_gmt":"2018-03-09T09:14:32","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-neurofisiologico-de-bulbo-caudal-de-la-rata-papel-en-la-quimiosensibilidad-central\/"},"modified":"2018-03-09T09:14:32","modified_gmt":"2018-03-09T09:14:32","slug":"estudio-neurofisiologico-de-bulbo-caudal-de-la-rata-papel-en-la-quimiosensibilidad-central","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sevilla\/estudio-neurofisiologico-de-bulbo-caudal-de-la-rata-papel-en-la-quimiosensibilidad-central\/","title":{"rendered":"Estudio neurofisiol\u00f3gico de bulbo caudal de la rata: papel en la quimiosensibilidad central"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Ribas Salgueiro Juan  Luis <\/strong><\/h2>\n<p>La localizaci\u00f3n precisa de los quimiorreceptores centrales es el objetivo del presente proyecto de tesis. Los trabajos pioneros demostraron que exist\u00edan dos \u00e1reas, localizadas en la superficie ventral del bulbo de la rata, que podr\u00edan actuar como \u00e1reas quimiorreceptoras centrales. En el presente trabajo se ha caracterizado morfofuncionalmente la regi\u00f3n bulbar caudal, identificando las neuronas quimiorreceptoras centrales de dicha \u00e1rea, as\u00ed como a las posibles conexiones con centros integradores del sistema cardiorrespiratorio y el contenido en neurotransmisores implicados en el control central de la respiraci\u00f3n.  los experimentos se llevaron a cabo en ratas albinas de la estirpe wistar, anestesiadas previamante mediante una inyecci\u00f3n i.P., De hidrato de cloral al 5%. B\u00e1sicamente, las t\u00e9cnicas empleadas consistieron en el registro extracelular de las neuronas del bulbo caudal, microiontoforesis, an\u00e1lisis de imagen utilizando sondas fluorosc\u00f3picas sensibles a ph, inmunohistoqu\u00edmica contra la serotonina, tirosina hidroxilasa, map2 y c-fos, y por \u00faltimo, el marcaje de las proyecciones aferentes de dicha regi\u00f3n usando bda. Los resultados obtenidos demuestran que seg\u00fan la actividad espont\u00e1nea expresada por las neuronas del bublo ventrolateral caudal, existen dos poblaciones, una con actividad relacionada con la respiraci\u00f3n y otra no relacionada con \u00e9sta. Las neuronas respiratorio ventral, no respondieron con incrementos en la frecuencia de potenciales de acci\u00f3n a cambios en la concentraci\u00f3n extracelular de h+. Las neuronas que respondieron a la estimulaci\u00f3n \u00e1cida, con una umento de frecuencia de potenciales de acci\u00f3n, mostraron un patr\u00f3n de disparo espont\u00e1neo no relacionado con la respiraci\u00f3n. Al menos en el bulbo caudal, existen dos poblaciones neuronales con distinta sensibilidad a los cambios extracelulares en la concentraci\u00f3n de h+. Mientras que la mayor\u00eda de las neuronas presentan una baja sensibilidad a h+, a<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio neurofisiol\u00f3gico de bulbo caudal de la rata: papel en la quimiosensibilidad central<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio neurofisiol\u00f3gico de bulbo caudal de la rata: papel en la quimiosensibilidad central <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Ribas Salgueiro Juan  Luis <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Sevilla<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 23\/06\/2003<\/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> P\u00e1saro Dionisio M. Rosario<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: diego Mir jordano <\/li>\n<li>constancio Gonzalez mart\u00ednez (vocal)<\/li>\n<li>salvador Gonzalez baron (vocal)<\/li>\n<li>blas Torres ruiz (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ribas Salgueiro Juan Luis La localizaci\u00f3n precisa de los quimiorreceptores centrales es el objetivo del presente proyecto [&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":[10715],"tags":[40702,34225,11283,43383,70417,17975],"class_list":["post-23826","post","type-post","status-publish","format-standard","hentry","category-sevilla","tag-blas-torres-ruiz","tag-constancio-gonzalez-Martinez","tag-diego-mir-jordano","tag-pasaro-dionisio-m-rosario","tag-ribas-salgueiro-juan-luis","tag-salvador-gonzalez-baron"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/23826","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=23826"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/23826\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=23826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=23826"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=23826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}