S. KATZENELBOGEN, M.D., F.A.C.P.
By "meningeal permeability" one designates the function regulating the exchanges between the general circulation and the cerebrospinal fluid. In recent literature this function is commonly described under the term "hematoencephalic barrier" or "barrier" between blood and fluid1. This new terminology appears to be the more appropriate one, for, according to the prevailing, if not unanimous opinion, not only the meninges, but also various other structures of the cerebrospinal system and particularly the choroid plexus, take part in the function which has been inadequately ascribed to the meninges exclusively.2
The subject of this communication offers a wide range of topics which
KATZENELBOGEN S. The Significance of Meningeal Permeability12. Ann Intern Med. ;5:1168–1174. doi: 10.7326/0003-4819-5-9-1168
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Published: Ann Intern Med. 1932;5(9):1168-1174.
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