Morphology of the extravascular space in brain in comparison to other tissues.
D000818:Animals; D001812:Blood-Brain Barrier; D001921:Brain / Q000098:blood supply* / Q000166:cytology; D002196:Capillaries / Q000033:anatomy & histology*; D002199:Capillary Permeability; D006801:Humans; D010587:Phagocytosis