{"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":"2026-10-06T18:04:24","modified_gmt":"2026-10-06T22:04:24","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 denominada acci\u00f3n de orinar, es el proceso fisiol\u00f3gico de vaciado 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 vital implica una compleja red de se\u00f1ales neuronales entre el sistema nervioso y el tracto urinario.<sup>2<\/sup> El reflejo miccional requiere una actividad coordinada entre el enc\u00e9falo, 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 el esf\u00ednter uretral se contrae; durante el vaciado, este patr\u00f3n se invierte, con contracci\u00f3n del detrusor y relajaci\u00f3n del esf\u00ednter, lo que permite el flujo de orina.<sup>4<\/sup> El proceso pasa de ser involuntario en los lactantes a estar bajo control voluntario en los adultos, normalmente hacia los 3-5 a\u00f1os de edad, gracias al desarrollo y la maduraci\u00f3n neurol\u00f3gicos.<sup>5<\/sup><\/p>","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. Available from: https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK562181\/ PMID: 32965852\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 tiene relevancia cl\u00ednica en el diagn\u00f3stico y el tratamiento de diversas afecciones urol\u00f3gicas y neurol\u00f3gicas.<sup>1<\/sup> La micci\u00f3n normal requiere v\u00edas neuronales intactas entre el enc\u00e9falo, la m\u00e9dula espinal y la vejiga, y su alteraci\u00f3n puede dar lugar a trastornos como incontinencia urinaria, retenci\u00f3n urinaria o disinergia detrusor-esfinteriana.<sup>2<\/sup><\/p>\n    \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 afectan a la micci\u00f3n se encuentran las infecciones del tracto urinario, la cistitis intersticial, la hiperplasia benigna de pr\u00f3stata, la vejiga neur\u00f3gena, las lesiones medulares, la esclerosis m\u00faltiple, la enfermedad de Parkinson y el ictus.<sup>4<\/sup><\/p>\n    \n    <p>Los abordajes terap\u00e9uticos var\u00edan seg\u00fan la causa subyacente y pueden incluir modificaciones conductuales, ejercicios del suelo p\u00e9lvico, farmacoterapia dirigida a receptores de neurotransmisores espec\u00edficos (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 es esencial para desarrollar tratamientos eficaces para la disfunci\u00f3n del tracto urinario inferior.<\/p>","gt-related-evidence":null,"gt-featured":false,"gt-ai-referenced":true,"gt-view-count":26},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - 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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