A space enclosed within the laminae of the septum pelludicum, the membranous partition that seperates the frontal horns of the ventricle. contains cerebrospinal fluid (CSF) that filters from the ventricles through the septal laminae. bounded anteriorly by the genu of the corpus callosum; superiorly by the body of the corpus callosum; posteriorly by the anterior limb and pillars of the fornix; inferiorly by the anterior commissure and the rostrum of the corpus callosum; and laterally by the leaflets of the septum pellucidum. [ http://purl.obolibrary.org/obo/BTO_0003447 http://en.wikipedia.org/wiki/Cave_of_septum_pellucidum ]