Definition of blood–brain barrier in English:

blood–brain barrier

Syllabification: blood–brain bar·ri·er

noun

Physiology
  • A filtering mechanism of the capillaries that carry blood to the brain and spinal cord tissue, blocking the passage of certain substances.

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Word of the day maelstrom
Pronunciation: ˈmālˌsträm
noun
a powerful whirlpool in the sea