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Central nervous system 09/26
25 cards·by cball157
Epilepsy
A disorder characterized by recurring seizures
Sciatica
A pain that runs along the sciatic nerve
Encephalitis
Inflammation of the brain often caused by a viral infection such as measles and mumps
Transient ischemic attack
Brief stroke like attack
Huntingtons chorea
A hereditary disease marked by generation of the brain cells
Traumatic brain injury
Nondegenerative noncongenital insult to the brain from an external mechanical force
Hydrocephalus
Condition in which fluid accumulates in the brain
Bells palsy
Paralysis of the facial nerve
Meningitis
Inflammation of the meninges caused by viral or bacterial infection marked by intense
headaches
Alzheimer's
Progressive mental deterioration that can occur in middle or old age, due to generalized
degeneration of the brain
Multiple sclerosis
A chronic potentially debilitating disease that affects the brain and spinal cord
Parkinson's disease
A progressive disorder caused by degeneration of the nerve cells in the parts of the brain that
control movement
Amyotrophic lateral sclerosis
An unknown etiology, although hereditary and environmental factors are considered to be
associated with the disease
Motor neurons
Efferent nerves transmit impulses away from neurons in the central nervous system to
stimulate a target muscle
Sensory neurons
Afferent nerves carry impulses to the neurons
Interneurons
Located entirely within the central nervous system
Signs of stroke
Numbness, weakness, dropping of face
Neuron parts
Cell body, dendrites, myelin sheath, axon, nucleus
Parapalegia
Can't move legs no feeling
Frontal lobe
Deals with reasoning, personalility and emotion
Parietal lobe
Perceives stimuli related to touch, pain, temperature
Temporal lobe
Perceives and recognizes auditory stimuli
Optical lobe
Is primary concerned with the aspects of vision
Figure 24-6 the brain
Cerebrum, pituitary gland, thalamus, hypothalamus, midbrain, pons, medulla
oblongata,cerebellum
Brain injury signs and symptoms
Loss of consiousness, headache, confusion, dizziness, nausea and committing