<prompt> Foramen of Magendie is the central opening ofLateral ventricle4th ventricle3rd ventricleNone  <response>: Foramen of magendie is an opening in the roof of 4th ventricle through which the cavity of ventricle communicates with the subarachnoid space of the cerebellomedullary cistern.Ref: vishram Singh textbook of clinical neuroanatomy,2nd edition page 121 