Explain blood brain barrier?



Explain blood brain barrier?..

Answer / Amit Ranjan Baranwal

The blood-brain barrier (BBB) is a selectively permeable membrane that separates the brain from the rest of the body, protecting it from harmful substances and maintaining its homeostasis. The BBB allows specific nutrients, hormones, and signaling molecules to pass while preventing the entry of pathogens, toxins, and most drugs.

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