NCIt synonyms : Fourth Ventricle of Brain; Fourth Ventricle of the Brain;
NCIt related terms : BRAIN, FOURTH VENTRICLE;
NCIt definition : A diamond-shaped cavity filled with cerebrospinal fluid within the pons extending
between the obex in the caudal medulla and the aqueduct of Sylvius in the cerebellum.;
Alternative definition : CDISC: A diamond-shaped cavity filled with cerebrospinal fluid within the pons, extending
between the obex in the caudal medulla and the aqueduct of Sylvius in the cerebellum.;