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Pathological terms

        Help!  

Term
Definition
concussion   Brain injury due to trauma.  
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coma   Abnormally deep sleep with little or no response to stimuli.  
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brain contusion   Bruising of the surface of the brain without penetration.  
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closed head trauma   brain hit skull and rebound to other side of skull  
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shaken baby syndrome   closed head trauma in young children creating potentially fatal damage  
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subdural hematoma   tumor like collection of blood caused by trauma  
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spina bifida   Congenital defect with deformity of the spinal column.  
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meningocele   In spina bifida cystica, protrusion of the spinal meninges above the surface of the skin  
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meningomyelocele   In spina bifida cystica, protrusion of the meninges and spinal cord above the surface of the skin.  
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Tay-sachs disease   Hereditary disease that causes deterioration in the central nervous system and, eventually, death  
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hydrocephalus   Overproduction of fluid in the brain.  
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dementia   Deterioration in mental capacity, usually in the elderly.  
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Alzheimer disease   A type of degenerative brain disease causing thought disorders, gradual loss of muscle control, and eventually, death.  
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amnesia   Loss of memory  
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Apraxia   Inability to properly use familiar objects.  
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agnosia   Inability to receive and understand outside stimuli.  
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amyotrophic lateral sclerosis (ALS), Lou Gehrig's disease   Degenerative disease of the motor neurons leading to loss of muscular control and death.  
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Huntington chorea   Hereditary disorder with uncontrollable, jerking movements.  
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multiple sclerosis (MS)   Degenerative disease with loss of myelin, resulting in muscle weakness, extreme fatigue, and some paralysis.  
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demyelination   Destruction of myelin sheath, particularly in multiple sclerosis.  
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gait   Manner of walking.  
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paresthesia   Abnormal sensation, such as tingling.  
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myasthenia gravis   Disease involving overproduction of antibodies that block certain neurotransmitters; causes muscle weakness.  
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Parkinson's disease   Degeneration of nerves in the brain caused by lack of sufficient dopamine.  
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dopamine   Substance in the brain or manufactured substance that helps relieve symptoms of Parkinson disease.  
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palsy   Partial or complete paralysis.  
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cerebral palsy   Congenital disease caused by damage to the cerebrum during gestation or birth and resulting in lack of motor coordination.  
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Bell's palsy   Paralysis of one side of the face; usually temporary.  
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ataxia   Condition with uncoordinated voluntary muscular movement, usually resulting from disorders of the cerebellum or spinal cord.  
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epilepsy   Chronic recurrent seizure activity.  
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aura   Group of symptoms that precede a seizure.  
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absence seizures, petit mal seizures   Mild epileptic seizure consisting of brief disorientation with the environment.  
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shingles   Viral disease affecting peripheral nerves and caused by herpes zoster.  
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tonic-clonic seizures, grand mal seizures   Severe epileptic seizure accompanied by convulsions, twitching, and loss of consciousness.  
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meningitis   Inflammation of the meninges.  
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Tourette syndrome   Neurological disorder that causes uncontrollable speech sounds and tics.  
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tics   Twitching movements that accompany some neurological disorders.  
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pyrogenic meningitis   Meningitis caused by bacteria; can be fatal; bacterial meningitis.  
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bacterial meningitis   Meningitis caused by bacteria; pyrogenic meningitis.  
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viral meningitis   Meningitis caused by a virus and not as severe as pyrogenic meningitis.  
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neuritis   Inflammation of the nerves  
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myelitis   Inflammation of the spinal cord  
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encephalitis   Inflammation of the brain  
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cerebellitis   Inflammation of the cerebellum  
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gangliitis   Inflammation of the ganglion  
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radiculitis   Inflammation of the spinal nerve root  
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sciatica   1. Pain in the lower back, usually radiating down the leg, from a herniated disk or other injury or condition. 2. Inflammation of the sciatic nerve.  
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glioma   Tumor that arises from neuroglia.  
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meningioma   Tumor that arises from the meninges.  
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astrocytoma   Type of glioma formed from astrocytes.  
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oligodengroglioma   Type of glioma formed from oligodendroglia.  
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glioblastoma multiforme   Most malignant form of glioma.  
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ganglion   Any group of nerve cell bodies forming a mass or a cyst in the peripheral nervous system; usually forms in the wrist.  
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cerebrovascular accident (CVA)   Neurological incident caused by disruption in the normal blood supply to the brain; stroke.  
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stroke   Neurological incident caused by disruption in the normal blood supply to the brain.  
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cerebral infusion   Neurological incident caused by disruption in the normal blood supply to the brain; stroke.  
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thrombus   Blood clot; stationary blood clot in the cardiovascular system, usually formed from matter found in the blood.  
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occlusion   Blocking of a blood vessel; the closing of a blood vessel.  
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thrombotic stroke   Stroke caused by a thrombus.  
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transient ischemic attack   Short neurological incident usually not resulting in permanent injury, but usually signaling that a larger stroke may occur.  
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embolic stroke   Sudden stroke caused by an embolus.  
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embolus   Mass of foreign material blocking a vessel; clot from somewhere in the body that blocks a small blood vessel in the brain.  
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hemorrhagic stroke   Stroke caused by blood escaping from a damaged cerebral artery.  
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aneurysm   Abnormal widening of an artery wall that bursts and releases blood; ballooning of the artery wall caused by weakness in the wall.  
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dsyphasia   Speech difficulty.  
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aphasia   Loss of speech.  
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fainting, syncope   Loss of consciousness due to a sudden lack of oxygen in the brain.  
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somnolence   Extreme sleepiness caused by a neurological disorder.  
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narcolepsy   Nervous system disorder that causes uncontrollable, sudden lapses into deep sleep.  
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