The Cisterna interpeduncularis is a Cerebrospinal fluid-filled Cistern located in the Midbrain in the region of the Crura cerebri.
Terminology
The Cisterna interpeduncularis and the Chiasmatic cistern are collectively referred to as the basal cistern.
Anatomy
The Cisterna interpeduncularis contains the following anatomical structures[^1]:
Bifurcation of the Basilar artery.
Peduncular segment of the Posterior cerebral artery.
Peduncular segment of the Superior cerebellar artery.
Perforating branches of the posterior cerebral artery and an arterial branch to the Oculomotor nerve.
Interpeduncular vein and posterior communicating vein
The oculomotor nerve, which runs along the margin of the Cisterna interpeduncularis between the posterior cerebral artery and superior cerebellar artery.