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Questions and Answers
How many protective membranes surround the brain in the skull?
What structure is surrounded by three meninges in the vertebral column?
What is the function of the meninges?
What are the two layers of the dura mater?
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What are the spaces between the meninges called?
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Study Notes
Protective Membranes of the Brain and Spinal Cord
- The brain is surrounded by three protective membranes, or meninges, in the skull:
- Dura mater
- Arachnoid mater
- Pia mater
Protective Membranes of the Spinal Cord
- The spinal cord in the vertebral column is also surrounded by three meninges:
- Dura mater
- Arachnoid mater
- Pia mater
Dura Mater Layers
- The dura mater has two layers:
- Endosteal layer
- Meningeal layer
- These layers are closely united, except where they separate to form venous sinuses.
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Description
This quiz covers the three protective membranes surrounding the brain (dura mater, arachnoid mater, pia mater) and the two layers surrounding the spinal cord (endosteal layer, meningeal layer). It also includes information on how these layers are closely united except in areas where they form venous sinuses.
