title: Some morphological considerations of the blood-brain barrier.
mesh_terms: D000818:Animals; D001485:Basement Membrane / Q000033:anatomy & histology; D001812:Blood-Brain Barrier; D001921:Brain / Q000033:anatomy & histology; D002196:Capillaries / Q000033:anatomy & histology; D002199:Capillary Permeability; D005110:Extracellular Space; D006801:Humans; D008854:Microscopy, Electron; D010873:Pinocytosis