cisterna magna (cmcis)

The term cisterna magna refers to the Cerebrospinal fluid filled space between the cerebellum and the dorsal surface of the medulla, i.e., the cerebellomedullary fissure, extended caudally to the dura that covers the brain. Defined on the basis of dissection, it is a common radiological landmark. Histologically it is bounded by pia on the cerebellar and medullary surfaces and arachnoid on the inner surface of the dura. Cerebrospinal fluid flows into the cistern from the fourth ventricle through the median aperture and the lateral apertures ( Gray-1918a ).

Also known as: cerebellomedullary cistern, Cisterna magna, Cisterna cerebellomedullaris, great cistern, Cisterna cerebello-medullaris, cisterna magna

NeuroNames ID: 542

All Names & Sources
Illustrations
Species With The Structure
Models Where It Appears
BrainInfo Copyright 1991-present UW