Question 1017
{"accessible":false,"alternatives":[{"id":5097,"text":"inferior petrosal sinus "},{"id":5098,"text":"jugular bulb"},{"id":5099,"text":"occipital sinus"},{"id":5100,"text":"straight sinus"},{"id":5101,"text":"transverse sinus"}],"archived":false,"correctAlternativeId":5100,"explanation":"\u003cp\u003e\u003ca href=\"/articles/sigmoid-sinus\"\u003eSigmoid sinus\u003c/a\u003e forms a continuation of the \u003ca href=\"/articles/transverse-sinus\"\u003etransverse sinus\u003c/a\u003e\u0026nbsp;at the end of the tentorium cerebelli. It curves down to the posterior margin of the jugular foramen, where it expands to form the \u003ca href=\"/articles/jugular-bulb\"\u003ejugular bulb\u003c/a\u003e. Throughout it journey, it receives the superior and inferior petrosal sinuses\u0026nbsp;and the \u003ca href=\"/articles/occipital-sinus\"\u003eoccipital sinus\u003c/a\u003e.\u003c/p\u003e\u003cp\u003eThe \u003ca href=\"/articles/straight-sinus\"\u003estraight sinus\u003c/a\u003e drains into the \u003ca href=\"/articles/confluence-of-sinuses\"\u003econfluence of sinuses\u003c/a\u003e and therefore does not directly communicate with the sigmoid sinus.\u003c/p\u003e","id":1017,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1017","nextQuestionPath":"/articles/occipital-sinus/questions/1016","relatedArticles":[{"id":5052,"title":"Dural venous sinuses","link":"/articles/dural-venous-sinuses?lang=us"},{"id":5055,"title":"Transverse sinus","link":"/articles/transverse-sinus?lang=us"},{"id":5056,"title":"Confluence of sinuses","link":"/articles/confluence-of-sinuses?lang=us"},{"id":5116,"title":"Straight sinus","link":"/articles/straight-sinus?lang=us"},{"id":5250,"title":"Sigmoid sinus","link":"/articles/sigmoid-sinus?lang=us"},{"id":50997,"title":"Jugular bulb","link":"/articles/jugular-bulb?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eThe following all communicate directly with the sigmoid sinus \u003cstrong\u003eEXCEPT\u003c/strong\u003e...\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/1017"}],"attemptsPercentages":[{"alternativeId":"5099","percentage":12},{"alternativeId":"5097","percentage":18},{"alternativeId":"5100","percentage":57},{"alternativeId":"5098","percentage":7},{"alternativeId":"5101","percentage":5}],"promptToLogin":false,"questionManager":false,"articleId":"occipital-sinus"}