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9 Cards in this Set
- Front
- Back
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what are the meninges?
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three membranes made of connective tissue that surrond the brain
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the dura mater?
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tough membrane covering of the CNS, outermost layer lines the inside of the skull and verterbral foramen
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the arachnoid mater?
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web like apperance and is a lining with a subarachnoid space with CSF
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where is the is cerebrospinal fluid?
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subarachnoid space and the vventricles of the brain and central canal of spinal cord
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where is CSF formed?
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ependymal cells from CSF in the 3rd and 4th ventricles of the brain
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how is CSF formed?
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ependymal cells borrow fluid from plasma and from the choroid plexus and changes it and then puts it into the ventricles to be CSF
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where does CSF circulate?
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constantly moving through the 3rd and 4th ventricles and the central canal of spinal cord
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what are the CSF functions?
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1. provide physical cushion
2. delivers nutrients to parts of NS like oxygen and glucose 3. removes waste from NS such as carbon dixoide 2 and 3 need circulation |
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pia mater?
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delicate covering of the CNS and is attached directly to the brain and spinal cord
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