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Chapter 10 Nervous System page 357-362

Meaning Terminology
alges/o, -algesia excessive sensitivity to pain analgesia hypalgesia-Diminished-sensation to pain. (Notice that the o in hypo- is dropped.) Hyperalgesia is increased sensitivity to pain.
-algia pain neuralgia-Trigeminal neuralgia involves flashes of pain radiating along the course of the trigeminal nerve (fifth cranial nerve). cephalalgia-Headaches may result from vasodilation (widening) of blood vessels in tissues surrounding the brain.
caus/o burning causalgia-Intense burning pain following injury to a sensory nerve.
comat/o deep sleep (coma) comatose-A coma is a state of unconsciousness from which the patient cannot be aroused.
esthesi/o, -esthesia feeling, nervous sensation anesthesia-Lack of normal sensation (e.g., absence of sense of touch or pain). Two common types of regional anesthesia are spinal and epidural (caudal) blocks.
kines/o, kinesi/o, -kinesia, -kinesis, -kinetic movement bradykinesia hyperkinesis-Amphetamines (CNS stimulants) are used to treat hyperkinesia in children, but the mechanism of their action is not understood.
-lepsy seizure narcolepsy-Sudden, uncontrollable compulsion to sleep(narc/o=stupor, sleep). Amphetamines and stimulant drugs are prescribed to prevent attacks.
lex/o word, phrase dyslexia-This is a developmental reading disorder occurring when the brain does not properly recognize, process, and interpret language.
-paresis weakness hemiparesis-Affects either right or left side (half) of the body. Paresis aslo is used by itself to mean partial paralysis or weakness of muscles.
-plegia paralysis (loss or impairment of the ability to move parts of the body) hemiplegia-Affects the right or left half of the body and results from a stroke or other brain injury.
-praxia action apraxia-Movements and behavior are not purposeful. A patient with motor apraxia cannot use an object or perform a task. Motor weakness is not the cause.
-sthenia strength neurasthenia-Nervous exhaustion and fatigue, often following depression.
syncop/o to cut off, cut short Syncope-means fainting; sudden and temporary loss of consciousness caused by inadequate flow of blood to the brain.
tax/o order, coordination ataxia-Condition of decreased coordination. Persistent unsteadiness on the feet can be caused by a disorder involving the cerebellum.
Created by: MissMeeMee