Premedullary cistern

Last revised by Dr Liam Pugh on 10 Jun 2020

The premedullary cistern is one of the subarachnoid cerebrospinal fluid cisterns.

Gross anatomy

It extends from the pontomedullary junction above to the foramen magnum below, between the lower clivus and anterior medulla.

It is separated from the prepontine cistern above by the medial pontomedullary membrane.

Contents

It contains several vessels and nerves:

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