page_title: Interpeduncular cistern
hierarchical_section_title: Interpeduncular cistern
context_page_description: The interpeduncular cistern is the subarachnoid cistern that encloses the cerebral peduncles and the structures contained in the interpeduncular fossa and contains the arterial circle of Willis as well as the oculomotor nerve.
context_section_description: The interpeduncular cistern is the subarachnoid cistern that encloses the cerebral peduncles and the structures contained in the interpeduncular fossa and contains the arterial circle of Willis as well as the oculomotor nerve (CN3).
caption: Diagram showing the positions of the three principal subarachnoid cisternæ. (Interpeduncular cistern labeled at left center.)
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