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A comment on Tantalizing but preliminary evidence of a “brain microbiome”. Parent comment

Re:Tantalizing but preliminary evidence of a “brain microbiome” by CodeWriter23 on Tuesday November 13, 2018 @04:44AM (#18439808)
By being the same size or smaller than the passages in the barrier.
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Re:Tantalizing but preliminary evidence of a “brain microbiome” by saagarjha on Tuesday November 13, 2018 @05:05AM (#18439897)
The blood brain barrier usually only allows particles on the order of nanometers in size, while bacteria are much, much larger.
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