What exactly is the blood-brain barrier?
In: 99
It’s a thick, lipophilic membrane that protects our most vital organs from external compounds. Relative to other cells in the body, it’s extra thick to prevent unwanted chemicals to enter our cns.
Pro: it protects our cns from toxins and poisons
Con: it prevents a large number of drugs (due to lipophilicity or molecular weight) to enter the cns. Example: if you have a brain infection, you only have a select number of drugs you can choose from that can enter the cns due to the bbb.
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