title: Pathways across the vertebrate blood-brain barrier: morphological viewpoints.
authors.forename: M
authors.initials: M
authors.lastname: Bundgaard
mesh_terms: D000818:Animals; D001001:Anura; D001812:Blood-Brain Barrier; D001921:Brain / Q000098:blood supply*; D002196:Capillaries / Q000648:ultrastructure; D002199:Capillary Permeability; D004727:Endothelium / Q000378:metabolism / Q000648:ultrastructure; D005614:Freeze Fracturing; D006196:Hagfishes; D007365:Intercellular Junctions / Q000378:metabolism* / Q000648:ultrastructure; D008854:Microscopy, Electron; D051381:Rats