Definition of blood–brain barrier in English:

blood–brain barrier

Line breaks: blood–brain bar|rier

noun

Anatomy
A semipermeable membrane separating the blood from the cerebrospinal fluid, and constituting a barrier to the passage of cells, particles, and large molecules.

Definition of blood–brain barrier in:

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Word of the day internecine
Pronunciation: ˌɪntəˈniːsʌɪn
adjective
destructive to both sides in a conflict