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- superiorly the diencephalic leaf, separates this space from the suprasellar cistern above
- inferiorly the mesecephalic leaf, separates it from the prepontine cistern below
- laterally, the margin is the medial borders of the cerebral peduncles, therefore, this space communicates with the crural cisterns and ambient cisterns laterally
The interpeduncular cistern also has limiting borders.
- posteriorly it is the posterior perforated substance
- anteriorly it is the origin of the leaflets of the Liliequist membrane
This cistern contains a number of structures including the proximal portion of the oculomotor nerves (CN III), the distal basilar artery, the origin of the posterior cerebral arteries (and thalamoperforating arteries) as well as the origin of the superior cerebellar arteries. Depending on the posterior limit of the diencephalic membrane this space can also be said to communicate with the suprasellar cistern contents (the mammillary bodies) 4.
- subarachnoid hemorrhage - as the interpeduncular cistern is a dependent space in the supine position, small volume subarachnoid hemorrhage may be detected here
- 1. Gray's Anatomy. Churchill Livingstone. (2011) ISBN:0443066841. Read it at Google Books - Find it at Amazon
- 2. Ross LMMP. Atlas of anatomy. George Thieme Verlag. (2007) ISBN:3131421215. Read it at Google Books - Find it at Amazon
- 3. Butler P, Mitchell A, Healy JC. Applied Radiological Anatomy. Cambridge University Press. (2012) ISBN:0521766664. Read it at Google Books - Find it at Amazon
- 4. Jian Lü, Xianli Zhu. Microsurgical anatomy of the interpeduncular cistern and related arachnoid membranes. (2005) Journal of Neurosurgery. 103 (2): 337. doi:10.3171/jns.2005.103.2.0337 - Pubmed