{"id":142551,"date":"1993-01-01T00:00:00","date_gmt":"1993-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracteristicas-y-funcion-de-los-canales-ionicos-de-membrana-del-musculo-del-cangrejo-de-rio\/"},"modified":"1993-01-01T00:00:00","modified_gmt":"1993-01-01T00:00:00","slug":"caracteristicas-y-funcion-de-los-canales-ionicos-de-membrana-del-musculo-del-cangrejo-de-rio","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/caracteristicas-y-funcion-de-los-canales-ionicos-de-membrana-del-musculo-del-cangrejo-de-rio\/","title":{"rendered":"Caracteristicas y funcion de los canales ionicos de membrana del musculo del cangrejo de rio."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alfonso Araque Almendros <\/strong><\/h2>\n<p>Se estudian, mediante tecnicas electrofisiologicas, las caracteristicas electrofisiologicas y farmacologicas de los canales ionicos de membrana del musculo abductor de la pinza de la primera pata marchadora del cangrejo de rio, y de su funcion, en cuanto responsables de la actividad electrica celular y determinantes del funcionamiento de la celula muscular. Se demuestra la existencia de a) una corriente de perdida (ip) mediada por canales ionicos de naturaleza propia y diferenciada; b) una corriente de k+ activada por hiperpolarizacion (iab) con caracteristicas electrofisiologicas y farmacologicas propias; c) una corriente de entrada inicial activada por despolarizacion (ica) transportada por ca2+ a traves de un unico tipo de canal tipo l; d) una corriente retrasada de k+ activada por despolarizacion (ik); e) una corriente inicial de k+ dependiente de ca2+, suprimida por bapta intracelular y no por egta. Se demuestra que la conjugacion de ica, ik(ca) e ik produce la variacion graduada de vm, permitiendo asi la gradacion del influjo de ca2+ y, por ultimo, la gradacion de la contraccion muscular; y que ademas, esta conjugacion permite el influjo sostenido de ca2+ sin que ello conlleve una subsiguiente despolarizacion. Se explica asi la contraccion lenta y tonica del musculo abductor de la pinza del cangrejo de rio.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracteristicas y funcion de los canales ionicos de membrana del musculo del cangrejo de rio.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracteristicas y funcion de los canales ionicos de membrana del musculo del cangrejo de rio. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alfonso Araque Almendros <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1993<\/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>Washington Bu\u00f1o Buceta<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Benjam\u00edn Fern\u00e1ndez Ruiz <\/li>\n<li>Juan Lerma Gomez (vocal)<\/li>\n<li>Omar Macador Cirillo (vocal)<\/li>\n<li>Jos\u00e9 L\u00f3pez Barneo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alfonso Araque Almendros Se estudian, mediante tecnicas electrofisiologicas, las caracteristicas electrofisiologicas y farmacologicas de los canales ionicos [&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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