{"id":86340,"date":"2018-03-10T00:10:54","date_gmt":"2018-03-10T00:10:54","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/respuesta-nerviosa-y-farmacologica-de-la-vena-dorsal-profunda-del-pene\/"},"modified":"2018-03-10T00:10:54","modified_gmt":"2018-03-10T00:10:54","slug":"respuesta-nerviosa-y-farmacologica-de-la-vena-dorsal-profunda-del-pene","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/respuesta-nerviosa-y-farmacologica-de-la-vena-dorsal-profunda-del-pene\/","title":{"rendered":"Respuesta nerviosa y farmacol\u00f3gica de la vena dorsal profunda del pene"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Gloria Segarra Irles <\/strong><\/h2>\n<p>La vena dorsal profunda del pene lleva a cabo el principal drenaje de los cuerpos cavernosos. En este trabajo se estudia la reactividad de la vena dorsal profunda procedente de 32 donantes multiorg\u00e1nicos.Los segmentos se montaron en un ba\u00f1o de \u00f3rganos para su posterior registro de tensi\u00f3n isom\u00e9trica. El est\u00edmulo neur\u00f3geno a tensi\u00f3n basal de los segmentos venosos produjo contracci\u00f3n dependendiente de la frecuencia, que fue mayor en segmentos sin endotelio. La adici\u00f3n de l-name, un inhibidor de la \u00f3xido n\u00edtrico sintasa, potenci\u00f3 la respuesta contr\u00e1ctil al est\u00edmulo el\u00e9ctrico s\u00f3lo en los segmentos con endotelio. Estos resultados sugieren que el endotelio modula la contracci\u00f3n neur\u00f3gena mediante la s\u00edntesis y liberaci\u00f3n de \u00f3xido n\u00edtrico (no). Resultados similares se obtuvieron al realizar curvas concentraci\u00f3n-respuesta a la noradrenalina, indicando que el neurotransmisor implicado en la s\u00edntesis de no endotelial es esta catecolamina. En segmentos previamente contra\u00eddos connoradrenalina e incubados con guanetidina, un bloqueante del sistema adren\u00e9rgico, y atropina,un bloqunate del sistema colin\u00e9rgico, el est\u00edmulo el\u00e9ctrico produjo una respuesta relajante dependietne de la frecuencia e independiente del apresencia o ausencia de endotelio. El neurotransmisor implicado en la respuesta no adren\u00e9rgica no colin\u00e9rgica es el no liberado de las terminaciones nerviosas perivascualres. La adici\u00f3n de concentraciones crecientes de acetilcolina, o sustancia p a segmentos venosos contra\u00eddos con noradrenalina prodjo una relajaci\u00f3n dependiente de la concentraci\u00f3n en segmentos con endotelio mientras que en segmentos sin endotelio se mantuvo la contracci\u00f3n. La incubaci\u00f3n de segmentos venosos con endotelio con l-name inhibi\u00f3 la respuesta relajante, esto sugiere que la relajaci\u00f3n a estas sustancias est\u00e1 mediada por no en dotelial.En segmentos contra\u00eddos con radrenalina la adici\u00f3n de sustancias utilizadas para el diagn\u00f3sitco<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Respuesta nerviosa y farmacol\u00f3gica de la vena dorsal profunda del pene<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Respuesta nerviosa y farmacol\u00f3gica de la vena dorsal profunda del pene <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Gloria Segarra Irles <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 14\/09\/2000<\/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>Salvador Lluch Lopez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: godofredo Dieguez castrillo <\/li>\n<li>mart\u00edn Aldasoro celaya (vocal)<\/li>\n<li>angel Luis Garcia villalon (vocal)<\/li>\n<li>pascual Chuan nuez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gloria Segarra Irles La vena dorsal profunda del pene lleva a cabo el principal drenaje de los 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