4. Pia Mater & Arachnoid Mater

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9 Terms

1
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What is the innermost layer of the cranial meninges?

Pia mater

2
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What glial cells bind the pia mater to the brain surface?

Astrocytes

3
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What surface contours does the pia mater follow?

Gyri and sulci

4
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What cranial meninx is a thin, delicate layer?

Arachnoid mater

5
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What structures form collections called arachnoid granulations?

Arachnoid villi

6
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What fluid do arachnoid villi return to the blood?

Old CSF

7
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Where is the subarachnoid space located?

Deep to arachnoid mater

8
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What two meningeal layers border the subarachnoid space?

Arachnoid and pia mater

9
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What fluid is contained within the subarachnoid space?

Cerebrospinal fluid