Source:http://linkedlifedata.com/resource/umls/id/C0152279
MSH: Cavity in each of the cerebral hemispheres derived from the cavity of the embryonic neural tube. They are separated from each other by the SEPTUM PELLUCIDUM, and each communicates with the THIRD VENTRICLE by the foramen of Monro, through which also the choroid plexuses (CHOROID PLEXUS) of the lateral ventricles become continuous with that of the third ventricle.,NCI: The rostral extensions of the ventricular system of the brain consisting of two cavities, one on each side of the brain within the central regions of each cerebral hemisphere. Cerebrospinal fluid flows from the lateral ventricles into the centrally third ventricle via the foramen of Monroe.