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13 Cards in this Set
- Front
- Back
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Meninges
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three layers of specialized membranes surrounding the brain and spinal cord, provides stability and shock absorption to the CNS
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Dura mater
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the tough, fiberous layer that forms the outermost covering of the central nervous system
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Epidural space
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this is the area between the dura mater of the spinal cord and the walls of the vertebral canal, contains loose connective tissue, blood vessels, and adipose tissue
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subdural space
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seperates the inner surface of the dura mater from the arachnoid
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arachnoid
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the second meningeal layer, this is a layer of squamous cells
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subarachnoid space
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filled with cerebrospinal fluid and it contains a delicate web of collagen and elastic fibers
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cerebrospinal fluid
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acts a shock absorber and transports dissolved gases, nutrients, chemical messengers, and waste products.
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pia mater
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bound firmly to the underlying neural tissue, this is highly vascular
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dorsal root
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bring sensory information to the spinal cord
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ventral roots
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contains the axons of CNS motor neurons that control muscles and glands
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columns
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contains tracts whose axons carry either sensory data or motor commands
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Ascending tracts
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carry sensory information toward the brain
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Descending tracts
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convey motor command into the spinal cord
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