title: Three-dimensional fine structure of elastic fibers in the perivascular space of some circumventricular organs as revealed by high-voltage electron microscopy.
mesh_terms: D000818:Animals; D001485:Basement Membrane / Q000648:ultrastructure; D001812:Blood-Brain Barrier; D002415:Cats; D002552:Cerebral Ventricles / Q000648:ultrastructure*; D003238:Connective Tissue / Q000648:ultrastructure; D004549:Elastin; D006168:Guinea Pigs; D008833:Microcirculation / Q000648:ultrastructure; D010870:Pineal Gland / Q000648:ultrastructure*; D051381:Rats
chemical_list: D004549:Elastin