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Pathologies of Meninges Meningitis inflammation of the meninges that can be caused by bacteria or a virus swelling in the subarachnoid space which increases intracranial pressure Brain Injuries blood can clot between the meningeal layers epidural hematoma subdural hematoma subarachnoid hemorrhage increases intracranial pressure PSYCH 3313 Final Exam Study Guide The Nervous System composed of the CNS brain and spinal cord and the PNS nerves in rest of body that connect CNS to muscles organs and skin Peripheral Nervous System two kinds somatic and autonomic Somatic is somatosensory and skeletal motor contains cranial and spinal nerves Autonomic is glands and organs divided into Sympathetic fight or flight and Parasympathetic inhibits sympathetic actions Nerve Connection b w CNS and body two different connections Afferent sensory go toward the CNS from the sensory receptors Efferent motor go out from the CNS to the muscles and organs Anatomical directions Rostral anterior head Caudal posterior tail Dorsal superior back Ventral inferior belly Medial middle Lateral outside Proximal near core Distal extremities Ipsilateral same side Contralateral opposite side Meninges protect the brain contain blood vessels Three layers in the CNS Dura Mater Arachnoid Pia Mater Dura Mater Pia Mater Two layers in the PNS


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OSU PSYCH 3313 - The Nervous System

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