| 单词 | blood-brain barrier |
| 释义 | blood-brain barrier /blud"brayn"/, Physiol. a layer of tightly packed cells that make up the walls of brain capillaries and prevent substances in the blood from diffusing freely into the brain: passage across the cell membranes is determined by solubility in the lipid bilayer or recognition by a transport molecule. [1940-45] |
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