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Arachnoid Membrane

Definition:

The arachnoid membrane is a thin, transparent, and delicate membrane that is one of the three layers covering the brain and spinal cord, along with the dura mater and pia mater.

Senses:

Sense 1:

Noun: A protective membrane in the central nervous system.

Example Sentence: The arachnoid membrane forms a barrier around the brain and spinal cord, helping to protect them from external injury.

Sense 2:

Noun: The middle layer of the meninges.

Example Sentence: In a meningitis infection, the arachnoid membrane can become inflamed, resulting in severe headaches and other neurological symptoms.

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