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UNIT 1-STUDY GUIDEChapter 12: Central Nervous System
1.
2.What are the two divisions of the motor nervous system and what do they do?Initiate’s and transmitsinformation from the CNS to effectors.
List FOUR major parts of the brain?
Explain what makes up each of these structures within the brain.
1
What are the 3 cranial meninges?Pia mater, Arachnoid mater, dura materFxn of meninges:Cover and protect CNSProtect blood vessels and enclose venous sinusesContain cerebrospinal fluidForm partitions in skull1.What is the space located between fibers within this space?2.Name the fluid in this space:CSF3.Name the two sublayers:a.Arachnoid Mater:arachnoid trabeculae, subarachnoid spaceb.Dura mater:periosteal layer, meningeal layerWhat is the function of the dural venous sinuses?Drains blood/CSF away from brainName the bacterial/viral infection of the brain, causing inflammation?MeningitisList the 3 ventricles1.Lateral ventricles:2 large2.3rdventricle:diencephalon3.4thventricle:cerebellum/brain stemList the 3 functions of cerebrospinal fluid
Which structure produces CSF?Choroid plexus
List the two parts which make up this structure?
What THREE structures make up the blood brain barrier?

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Term
Fall
Professor
Perry
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