label: cerebellomedullary cistern
label_lc: cerebellomedullary cistern
description: "The largest of the subarachnoid cisterns between the cerebellum and the medulla oblongata; it is divided into a posterior cerebellomedullary cistern located between the cerebellum and the posterior surface of the medulla (also called cisterna magna), and a lateral cerebellomedullary cistern located between the cerebellum and the lateral aspect of the medulla."