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77 Cards in this Set
- Front
- Back
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neurons
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cells that make up nervous system
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neuroalgia
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cells found between neurons that engulf unwanted substances
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cell body
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maintains the neuron
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axon
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part of the neuron that transmits electrical impulses
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Dendrites
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look like tree branches, responsible for receiving information from internal & external sources & transmitting it to the cell body.
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myelin sheath
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white fatty sheath that covers some axons, speeds up electrical impulses.
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cerebellar
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pertaining to the cerebellum
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cerebellitis
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inflammation of the cerebellum
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cerebral
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pertaining to the brain
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cerebrospinal
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pertaining to the brain & spinal cord
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cerebrovascular
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pertaining to the brain & blood vessels
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cortical
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pertaining to the cortex
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corticospinal
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pertaining to the cortex & spine
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epidural
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upon the dura mater
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subdural
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under the dura mater
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electroencephalogram
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record of the eletrical activity of brain
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electroencephalograph
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instrument used to record electrical activity of brain
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encephalitis
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inflammation of the brain
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encephalomalacia
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softening of the brain
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encephalopathy
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disease of the brain
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hydrocephalus
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fluid in the brain
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meningitis
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inflammation of the meninges
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meningoencephalitis
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inflammation of the meninges and brain
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myelogram
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record of the spinal cord
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myeloschisis
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splitting of the spinal cord
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poliomyelitis
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inflammation of the gray matter of the spinal cord
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myoneural
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pertaining to the muscle and nerve
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neuralgia
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nerve pain
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neurology
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study of nervous system
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neurologist
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specialist of the nervous system
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neurolysis
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nerve destruction
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polyneuritis
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inflammation of many nerves
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myelradiculitis
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inflammation of spinal cord and nerve roots
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thalamocortical
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pertaining to the thalamus & cortex
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ventriculostomy
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new opening in the ventricles
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meningocele
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hernia of the meninges
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myelomeningocele
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hernia of the spinal cord and meninges
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anesthesia
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loss of sensation
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hypoesthesia
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decreased sensation
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hyperesthesia
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increased sensation
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dysesthesia
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irritating sensation
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paresthesia
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abnormal sensation - numbness or tingling
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electroencephalography
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recording electrical impulses of brain (EEG)
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myelography
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image of spine after injection of dye
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hyperkinesis
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excessive motion
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dyskinesis
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impaired movement
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bradykinesia
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slow movement
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hematoma
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accumulation of blood in a space
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glioma
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tumor of the neuroglial cells
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meningioma
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benign tumor of meninges
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aphasia
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no speech
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dysphasia
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difficult speech
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diplegia
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paralysis of like extremities on both sides of body
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hemiplegia
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paralysis of right or left side of body
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monoplegia
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paralysis of one extremity
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paraplegia
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paralysis of lower part of body & legs
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tetraplegia
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paralysis of all four limbs
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ataxia
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no muscular coordination
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demyelination
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lack of myelin sheath
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pachymeningitis
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inflammation of pachymeninges(dura mater)
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longitudinal fissure
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deep gap that divides the cerebrum into right & left hemispheres
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corpus callosum
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bundle of nerves connecting hemispheres of the cerebrum
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cerebral cortex
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gray matter covering the cerebrum
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thalamus
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relay station for incoming sensory stimuli
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hypothalamus
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helps regulate appetite, thirst & temperature
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What 3 things does the brain stem contain?
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Midbrain, pons, medulla oblongata
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cerebellum
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maintains balance, muscle coordination, and equilibrium
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conus medullaris
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cone shaped end of spinal cord
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cauda equina
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nerves at the end of the spinal cord - looks like a horses tail
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How many spinal nerves are there?
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31 pairs
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meninges
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3 membranes that protect the brain & spinal cord
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dura mater
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outermost meninges
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arachnoid membrane
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middle meninges
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pia mater
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inner layer meninges
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cerebrospinal fluid
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fluid that circulates within the subarachnoid space around brain & spinal cord
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Blood Brain Barrier
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prevents toxic substances from entering the brain
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How many cranial nerves are there?
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12 pairs
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