Question 93
{"accessible":false,"alternatives":[{"id":476,"text":"calcarine sulcus"},{"id":477,"text":"central sulcus"},{"id":478,"text":"cingulate sulcus"},{"id":479,"text":"interhemispheric fissure"},{"id":480,"text":"lateral fissue"},{"id":481,"text":"parieto-occipital fissure"}],"archived":false,"correctAlternativeId":478,"explanation":"\u003cp\u003eThe\u0026nbsp;marginal sulcus, also known as\u0026nbsp;pars marginalis, is the extension of the \u003ca title=\"Cingulate sulcus\" class=\"internal\" href=\"/articles/cingulate-sulcus\"\u003ecingulate sulcus \u003c/a\u003eposterosuperiorly, separating the\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/paracentral-lobule\"\u003eparacentral lobule\u003c/a\u003e\u0026nbsp;from the\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/precuneus\"\u003eprecuneus\u003c/a\u003e\u0026nbsp;on the medial surface of the cerebral hemispheres.\u0026nbsp;It is an excellent landmark to help confirm the location of the\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/central-sulcus\"\u003ecentral sulcus\u003c/a\u003e, which is located one sulcus anterior to the marginal sulcus, on the other side of the postcentral gyrus.\u003c/p\u003e","id":93,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/731","nextQuestionPath":"/articles/paracentral-lobule/questions/92","relatedArticles":[{"id":25406,"title":"Sylvian fissure","link":"/articles/sylvian-fissure?lang=us"},{"id":10101,"title":"Calcarine fissure","link":"/articles/calcarine-fissure?lang=us"},{"id":47135,"title":"Cingulate sulcus","link":"/articles/cingulate-sulcus?lang=us"},{"id":38968,"title":"Precuneus","link":"/articles/precuneus-1?lang=us"},{"id":47219,"title":"Parieto-occipital fissure","link":"/articles/parieto-occipital-fissure-1?lang=us"}],"alsoUsedIn":[{"id":123,"kind":"Course","title":"Neuroanatomy MCQs","link":"https://radiopaedia.org/courses/neuroanatomy-mcqs"},{"id":223,"kind":"RestrictedPage","title":"Page 223 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/223"},{"id":395,"kind":"RestrictedPage","title":"Page 395 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/395"},{"id":435,"kind":"Course","title":"Medical Imaging Anatomy Webinars - page 435","link":"https://radiopaedia.org/courses/medical-imaging-anatomy-webinar-2022/pages/435"},{"id":435,"kind":"Course","title":"Medical Imaging Anatomy Course - page 435","link":"https://radiopaedia.org/courses/medical-imaging-anatomy-course-online/pages/435"},{"id":435,"kind":"Course","title":"Medical Imaging Anatomy Webinar Series - page 435","link":"https://radiopaedia.org/courses/medical-imaging-anatomy-webinar-series/pages/435"}],"stem":"\u003cp\u003eThe marginal sulcus, also known as pars marginalis, is the extension of the...\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/93"}],"attemptsPercentages":[{"alternativeId":"477","percentage":4},{"alternativeId":"481","percentage":5},{"alternativeId":"476","percentage":5},{"alternativeId":"479","percentage":2},{"alternativeId":"478","percentage":79},{"alternativeId":"480","percentage":5}],"promptToLogin":false,"questionManager":false,"articleId":"paracentral-lobule"}