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Delicate, weblike middle layer of the meninges
Arachnoid Mater
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Inner layer of meninges that encloses the brain and spinal cord
Pia Mater
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Tough, outer layer of the meninges
Dura Mater
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Fluid in ventricles of brain, the subarachnoid space of meninges & central canal of spinal cord
Cerebrospinal Fluid
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Space in meninges between arachnoid mater and pia mater
Subarachnoid Space
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Space between dural sheath of spinal cord and bone of vertebral canal
Epidural Space
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What are the 3 meninges?
Dura Mater, Arachnoid Mater, and Pia Mater
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Fluid in ventricles of brain, the subarachnoid space of meninges and central canal of spinal cord
Cerebral Spinal Fluid (CSF)
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Mass of specialized capillaries that secretes cerebrospinal fluid into a brain ventricle
Choroid Plexus
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Forms inner lining of central canal that extends downward through spinal cord; forms one-cell-thick epithelial like membrane that covers inside spaces in brain
Ependymal Cells
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Any of several fingerlike structures that projects from subarachnoid space of meninges into blood filled dural sinuses & reabsorbs cerebrospinal fluid
Arachnoid Granulation
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Cavities, such as brain ventricles, filled with cerebrospinal blood (4 interconnected cavities)
Ventricles
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5 Major Functions of CSF?
- 1.Protection
- 2.Transport
- 3.Blood Perfusion
- 4.Suspension
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