title: [Preliminary ultrastructural study on the external blood-retina barrier].
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D001485:Basement Membrane / Q000648:ultrastructure; D002196:Capillaries / Q000648:ultrastructure*; D002829:Choroid / Q000098:blood supply* / Q000378:metabolism / Q000648:ultrastructure; D003094:Collagen / Q000378:metabolism; D004727:Endothelium / Q000648:ultrastructure; D006801:Humans; D007365:Intercellular Junctions / Q000648:ultrastructure; D008875:Middle Aged; D012160:Retina / Q000648:ultrastructure
chemical_list: D003094:Collagen
vernacular_title: Etude ultra-structurale préliminaire sur la barrière hémato-rétinienne externe.