can you tell me something about the second layer mentioned?
It is a derivative of the neural crest mesectoderm in the embryo.
Arachnoid mater
The arachnoid mater is a derivative of the neural crest mesectoderm in the embryo.
which layer of meninges is affected in meningitis The three membranes - pia mater, arachnoid mater and dura mater can you tell me something about the first one mentioned above? It is the delicate innermost layer of the meninges, the membranes surrounding the brain and spinal cord.
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Arachnoid mater [SEP] Introduction
The arachnoid mater is one of the three meninges, the protective membranes that cover the brain and spinal cord. The arachnoid mater is a derivative of the neural crest mesectoderm in the embryo.