What is the function of the arachnoid mater in the brain?
A. Absorbs cerebrospinal fluid
B. Provides physical support for the brain
C. Produces cerebrospinal fluid
D. Protects the brain from physical injury



Answer :

The arachnoid mater in the brain plays a crucial role in protecting the brain from physical injury. It is a membrane that lies between the dura mater and the pia mater. The arachnoid mater acts as a barrier and a cushion for the brain, helping to shield it from external forces and impacts. Furthermore, the arachnoid mater does not absorb cerebrospinal fluid, produce cerebrospinal fluid, or provide physical support for the brain. These functions are mainly carried out by other structures in the brain such as the choroid plexus for cerebrospinal fluid production and the meninges for physical support. Therefore, the correct function of the arachnoid mater in the brain is to protect the brain from physical injury.

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