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sis sis
wrote...
Posts: 584
6 years ago
The blood-brain barrier:
 
  a. Is a valve-like structure that prevents the peripheral blood from mixing with the cerebrospinal fluid
  b. Is formed by pores in the blood vessel walls that control which molecules can pass through
  c. Does not allow lipid soluble drugs to enter the brain
  d. Requires special transporters to move amino acids and vitamins into the brain
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6 years ago
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