We have covered the Anatomical and radiology aspects of the Subarachnoid cisterns. All these following important points are covered - CISTERN MAGNA 1. Cebellemedullary cistern a). Vertebral arteries b). PICA c). 9, 10, 11 nerve 2. Cerebellopontine angle cistern a). AICA b). 5, 7, 8 Nerve 3. Prepotine ( Pontine ) Cistern a). Basilar artery b). Origin of AICA c). Superior Cerebellar Artery d). 6 Nerve 4. Quadrigeminal Cistern a). Vein of Galen b). P3 Segment of PCA c). Posterior choroidal arteries

Cerebellomedullary Cisterns. The lateral cerebellomedullary cisterns are dilated subarachnoid spaces which are situated between the anterior surface of the cerebellum (posteriorly) and the dorsal aspect of the lateral medulla oblongata (anteriorly). | Dr. Najeeb