Question 2338
{"accessible":false,"alternatives":[{"id":11550,"text":"inferior part of the optic radiation looping into the anterior temporal pole"},{"id":11551,"text":"ligament passing above the abducens cranial nerve and forming the roof of the Dorello canal"},{"id":11552,"text":"loop of the anterior inferior cerebellar artery projecting into the internal acoustic meatus"},{"id":11553,"text":"optic tract fibers lopping into the contralateral prechiasmatic optic nerve"}],"archived":false,"correctAlternativeId":11550,"explanation":"\u003cp\u003eThe \u003ca href=\"/articles/meyer-loop\"\u003eMeyer loop\u003c/a\u003e (also sometimes known as Archambault loop) is part of the inferior optic radiation that sweeps back on itself into the temporal lobe, just lateral to the temporal horn of the lateral ventricle.\u003c/p\u003e\u003cp\u003eThe \u003ca href=\"/articles/petrosphenoidal-ligament\"\u003epetrosphenoidal ligament\u003c/a\u003e, also known as Gruber ligament, forms the superior border of Dorello canal, the conduit for the abducens nerve.\u003c/p\u003e\u003cp\u003eThe \u003ca href=\"/articles/labyrinthine-artery\"\u003elabyrinthine artery\u003c/a\u003e, also known as the auditory artery or internal auditory artery, is a long and slender artery that is the main arterial supply to the vestibular apparatus and cochlea and is usually a branch of the anterior inferior cerebellar artery (AICA).\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003ca href=\"/articles/wilbrand-knee-optic-radiation\"\u003eWilbrand\u0026nbsp;knee\u003c/a\u003e refers to optic tract fibers lopping into the contralateral prechiasmatic optic nerve; it probably does not exist.\u0026nbsp;\u003c/p\u003e","id":2338,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2338","nextQuestionPath":null,"relatedArticles":[{"id":53262,"title":"Optic radiation","link":"/articles/optic-radiation-1?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eIn neuroanatomy, Meyer loop refers to the...\u0026nbsp;\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/2338"}],"attemptsPercentages":[{"alternativeId":"11553","percentage":14},{"alternativeId":"11551","percentage":10},{"alternativeId":"11552","percentage":29},{"alternativeId":"11550","percentage":48}],"promptToLogin":false,"questionManager":false,"articleId":"meyer-loop"}