{"id":32679,"date":"2026-09-14T18:56:00","date_gmt":"2026-09-14T22:56:00","guid":{"rendered":"https:\/\/www.rigicon.com\/?post_type=glossary-term&p=32679"},"modified":"2026-09-15T06:16:00","modified_gmt":"2026-09-15T10:16:00","slug":"miccion","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/es\/glossary-term\/miccion\/","title":{"rendered":"Micci\u00f3n"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[144],"glossary-product":[],"class_list":["post-32679","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-urology"],"acf":{"gt-definition":"<p>La micci\u00f3n, tambi\u00e9n conocida como el acto de orinar, es el proceso fisiol\u00f3gico de evacuaci\u00f3n de la orina desde la vejiga urinaria a trav\u00e9s de la uretra hacia el exterior del cuerpo.<sup>1<\/sup> Esta funci\u00f3n corporal humana vital implica una compleja red de se\u00f1ales neurales entre el sistema nervioso y el tracto urinario.<sup>2<\/sup> El reflejo de la micci\u00f3n requiere una actividad coordinada entre el cerebro, la m\u00e9dula espinal y los ganglios perif\u00e9ricos, que regulan tanto la fase de almacenamiento como la de vaciado de la funci\u00f3n vesical.<sup>3<\/sup> Durante el almacenamiento, el m\u00fasculo detrusor se relaja mientras que el esf\u00ednter uretral se contrae; durante la evacuaci\u00f3n, este patr\u00f3n se invierte con la contracci\u00f3n del detrusor y la relajaci\u00f3n del esf\u00ednter, permitiendo el flujo de la orina.<sup>4<\/sup> El proceso pasa de ser involuntario en los lactantes a estar bajo control voluntario en los adultos, normalmente entre los 3 y los 5 a\u00f1os de edad, gracias al desarrollo y la maduraci\u00f3n neural.<sup>5<\/sup><\/p>\n","gt-synonyms":"Acto de orinar, vaciado vesical, uresis, emicci\u00f3n, evacuaci\u00f3n de la orina, miccionar, orinar, hacer pis","gt-citation":"[1] Fowler CJ, Griffiths D, de Groat WC. The neural control of micturition. Nat Rev Neurosci. 2008 Jun;9(6):453-66. DOI: 10.1038\/nrn2401\n\n[2] Flores JL, Cortes GA, Leslie SW. Physiology, Urination. StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Sep 13.\n\n[3] de Groat WC, Griffiths D, Yoshimura N. Neural control of the lower urinary tract. Compr Physiol. 2015 Jan;5(1):327-96. DOI: 10.1002\/cphy.c130056\n\n[4] Yoshimura N, Miyazato M. Neurophysiology and therapeutic receptor targets for stress urinary incontinence. Int J Urol. 2012 Jun;19(6):524-37. DOI: 10.1111\/j.1442-2042.2012.02976.x\n\n[5] Yoshimura N, Kaiho Y, Miyazato M, et al. Therapeutic receptor targets for lower urinary tract dysfunction. Naunyn Schmiedebergs Arch Pharmacol. 2008 Jun;377(4-6):437-48. DOI: 10.1007\/s00210-007-0209-z","gt-clinical-context":"<p>La micci\u00f3n reviste una gran importancia cl\u00ednica en el diagn\u00f3stico y tratamiento de diversas afecciones urol\u00f3gicas y neurol\u00f3gicas.<sup>1<\/sup> Una micci\u00f3n normal requiere v\u00edas neurales intactas entre el cerebro, la m\u00e9dula espinal y la vejiga; las alteraciones pueden dar lugar a trastornos como incontinencia urinaria, retenci\u00f3n urinaria o disinergia detrusor-esf\u00ednter.<sup>2<\/sup><\/p>\n<p>Los cl\u00ednicos eval\u00faan la micci\u00f3n mediante estudios urodin\u00e1micos, que valoran la funci\u00f3n, la capacidad y la presi\u00f3n vesicales durante las fases de llenado y vaciado.<sup>3<\/sup> Entre las afecciones que influyen en la micci\u00f3n se encuentran las infecciones del tracto urinario, la cistitis intersticial, la hiperplasia benigna de pr\u00f3stata, la vejiga neur\u00f3gena, los traumatismos medulares, la esclerosis m\u00faltiple, la enfermedad de Parkinson y el ictus.<sup>4<\/sup><\/p>\n<p>Los enfoques terap\u00e9uticos var\u00edan seg\u00fan la causa subyacente y pueden incluir modificaciones conductuales, ejercicios del suelo p\u00e9lvico, farmacoterapia dirigida a receptores espec\u00edficos de neurotransmisores (en particular muscar\u00ednicos y adren\u00e9rgicos), neuromodulaci\u00f3n o intervenciones quir\u00fargicas.<sup>5<\/sup> Comprender el complejo control neural de la micci\u00f3n resulta esencial para desarrollar tratamientos eficaces para la disfunci\u00f3n del tracto urinario inferior.<\/p>\n","gt-related-evidence":null,"gt-featured":false,"gt-ai-referenced":true,"gt-view-count":0},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Micci\u00f3n: control neurol\u00f3gico e implicaciones cl\u00ednicas<\/title>\n<meta name=\"description\" content=\"La micci\u00f3n es el proceso neural que controla el vaciado de la vejiga. 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