title: Capillaries in the subarachnoid space.
abstract: The fine structure of the small vessels of the subarachnoid spaces in the rat and mouse cerebral and cerebellar cortices was examined. Small vessels with lumen under 7 mu and whose walls consisted of a single layer of endothelial cells were found. These vessels are regarded as true capillaries.
mesh_terms: D000818:Animals; D002196:Capillaries / Q000648:ultrastructure*; D051379:Mice; D051381:Rats; D013346:Subarachnoid Space / Q000098:blood supply* / Q000648:ultrastructure