NBE PATHOLOGY Chapter 13 Diseases of the Nervous System

21 terms by Delawrence Teacher

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concussion

an injury to your head; a brain bruise

contusion

an injury that doesn't break the skin but results in some discoloration

convulsions

Involuntary muscle contractions that may alternate between contraction and relaxation of muscles.

dementia

a slowly progressive decline in mental abilities, including memory, thinking, and judgment, that is often accompanied by personality changes

encephalitis

inflammation of the brain usually caused by a virus

epilepsy

a disorder of the central nervous system characterized by loss of consciousness and convulsions

meningitis

infectious disease characterized by inflammation of the meninges (the tissues that surround the brain or spinal cord) usually caused by a bacterial infection

seizures

a neurological dysfunction caused by a sudden episode of uncontrolled electrical activity in the brain that may result in the involuntary, uncontrolled muscle contractions. usually characterized by LOC and involuntary spasmodic muscle twitching.

sundowning

signs, symptoms, and behaviors of Alzheimers Disease increase during hours of darkness

demyelization

The loss of the fatty tissue that surrounds the nerves

myelitis

inflammation of spinal cord or bone marrow

Extradural (epidural)

Loss of blood between the dural matter and the cranium

Subdural

bleeding between the dura mater and the arachnoid membrane of the meninges

Subarachnoid

bleeding between the arachnoid membrane and the pia mater

epidural

Bleeding that occurs between the dura mater and the skull

Parkinson's disease

a progressive disease that destroys brain cells and is identified by muscular tremors, slowing of movement, and partial facial paralysis

Alzheimer's disease

an irreversible, progressive brain disorder, characterized by the deterioration of memory, language, and eventually, physical functioning

hydrocephalus

an abnormal condition in which cerebrospinal fluid collects in the ventricles of the brain

Neuritis

inflammation of a nerve accompanied by pain and sometimes loss of function

Rabies

an acute viral disease of the nervous system of warm-blooded animals (usually transmitted by the bite of a rabid animal)

Multiple Sclerosis

A chronic disease of the central nervous system marked by damage to the myelin sheath. Plaques occur in the brain and spinal cord causing tremor, weakness, incoordination, paresthesia, and disturbances in vision and speech

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