5. How is the nervous system protected?
The nervous system is protected by :
the meninges for the brain and spinal cord;
peri-neural cells for nerves.
The meninges are made up of continuous layers of specialized cells whose function is to limit the entry of molecules from adjacent tissues.
The effectiveness of the barrier between the nervous system and the blood is linked to the close connection between the protective cells.
5.1 Blood-brain barrier
The blood-brain barrier is a physiological barrier between the bloodstream and the central nervous system (CNS). It is a highly selective filter that protects the brain from pathogens, toxins and hormones circulating...
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Bibliography
A. Lombard et al (2024), part 2 pp 153-281, Techno-economic evaluation of products at the initial stage of development, ISTE éditions Ltd London.
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