blood cells enter the cerebrospinal fluid
kr4 at is2.nyu.edu
Tue Oct 5 09:44:53 EST 1999
Dan-solo (dotoole at NOSPAM!tcd.ie) wrote:
> >In article <7t9fd4$4cq at news.acns.nwu.edu>, "MJ Lee" <mjlee at nwu.edu> wrote:
> >Can blood cells pass through BBB and enter the cerebrospinal fluid?
> Blood resident lymphocytes can break through the BBB during a Multiple
> Sclerosis relapse, where they are directed to inflammation sites by IL-10.
> I don't think this normally ever happens though. As far as I know,
> macrophages can do the same thing. I'd imagine that any oxygen required by
> the neuron is provided via the astrocyte, as there are no RBCs in CSF.
But there are RBCs in the brain capillary bed.
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