q���l�Rcerebral cortex, frontal lobe, parietal lobe, temporal lobe, occipital`lobe, corpur callosum, falciform ligam�nt, anterior cerebral artery, middle cerebral artery, posterior cerebral artery, basilar artery, vertebral artery, superior cerebellar arteries, middle meningeal artery, sigmoid sinus, transverse sinus, straightsinus, internal carotid artery, external carotid artery, superficial temporal artery, maxillary artery, sphenopalatine artery, meninges, cerebrospinal fluid spaces, ventricles, choroid plexus, e`endymal cells