А гематоэнцефалический барьер, возможно, не такой уж барьер... по крайней мере для микробов.
https://www.quantamagazine.org/fish-have-a-brain-microbiome-could-humans-have-one-too-20241202
Fish Have a Brain Microbiome. Could Humans Have One Too? | Quanta Magazine
The discovery that other vertebrates have healthy, microbial brains is fueling the still controversial possibility that …
Quanta Magazine•WWW.QUANTAMAGAZINE.ORG
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