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Medical Terms - Nervous System
Medical Terminology - The Nervous System
175
Medical
Undergraduate 1
04/13/2011

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Term

 

 

The Nervous System

Definition
cooperates with the Endocrine system to regulate and control the activites of all other body systems
Term

 

 

Central Nervous System

(CNS)

Definition
 brain and the spinal chord
Term

 

 

Peripheral Nervous System
(PNS)

Definition
cranial nerves that carry impulses between brain, neck, and head & spinal nerves; carry messages between spinal chord, abdomen, limbs, and chest
Term

 

 

brain

Definition
major portion of central nervous system
Term

 

 

cerebrum

Definition
largest portion of the brain; divided into left and right hemispheres
Term

 

 

ventricles

Definition
spaces within the brain that contain a fluid called cerebrospinal fluid
Term

 

 

cerebellum

Definition
located underneath the posterior portion of the cerebrum
Term

 

 

brain stem

Definition
stemlike portion of the brain that connects with the spinal cord
Term

 

 

pons

Definition
literally means bridge, connects cerebrum with the cerebellum & brain stem
Term

 

 

medulla oblongata

Definition
located between the pons and spinal cord
Term

 

 

midbrain

Definition
most superior portion of the brain stem
Term

 

 

cerebrospinal fluid

(CSF)

Definition
clear colorless fluid in the ventricles, cushions the brain
Term

 

 

spinal cord

Definition
passes through the vertebral canal
Term

 

 

meninges

Definition
3 layers of membrane that cover the brain and spinal cord
Term

 

 

dura mater

Definition
tough outer layer of the meninges
Term

 

 

arachnoid

Definition
delicate middle layer of the meninges
Term

 

 

pia mater

Definition
inner layer of the meninges
Term

 

 

nerve

Definition
cord-like structure that carries impulses from one part of the body to another
Term

 

 

ganglion

Definition
group of nerve bodies outside the central nervous system
Term

 

 

glia

Definition
cells that support and nourish nervous tissue
Term

 

 

neuron

Definition
conducts nerve impulses to carry out the function of the nervous system
Term

 

 

-iatrist

Definition
specialist; physician
Term

 

 

-iatry

Definition
treatment; specialty
Term

 

 

-ictal

Definition
seizure
Term

 

 

-paresis

Definition
slight paralysis
Term

 

 

cerebell/o

Definition
cerebellum
Term

 

 

cerebr/o

Definition
cerebrum; brain
Term

 

 

dur/o

Definition
hard; dura mater
Term

 

 

encephal/o

Definition
brain
Term

 

 

gangli/o; ganglion/o

Definition
ganglion
Term

 

 

gli/o

Definition
glia
Term

 

 

 mening/o; mening/i

Definition
meninges
Term

 

 

myel/o

Definition
spinal cord
Term

 

 

neur/o

Definition
nerve
Term

 

 

radic/o; radicul/o; rhiz/o

Definition

nerve root

(closest to spinal cord; proximal)

Term

 

 

esthesi/o

Definition
sensation; sensativity; feeling
Term

 

 

ment/o; phren/o; phsycho

Definition
mind
Term

 

 

mon/o

Definition
one
Term

 

 

phas/o

Definition
speech
Term

 

 

poli/o

Definition
gray matter
Term

 

 

qaudr/i

Definition
four
Term

 

 

cerebellitis

Definition
inflammation of the cerebellum
Term

 

 

cerebral throbosis

Definition
pertaining to the cerebrum; abnormal condition of a clot
Term

 

 

duritis

Definition
inflammation of the dura mater
Term

 

 

encephalitis

Definition
inflammation of the brain
Term

 

 

encephalomalacia

Definition
softening of the brain
Term

 

 

encephalomyeloradiculitis

Definition
inflammation of the brain, spinal cord, and nerve roots
Term

 

 

gangliitis

Definition
inflammation of the ganglion
Term

 

 

glioblastoma

Definition
tumor composed of developing glial tissue
Term

 

 

glioma

Definition
tumor composed of glial tissue
Term

 

 

meningitis

Definition
inflammation of the meninges
Term

 

 

meningocele

Definition
protrusion of the meninges
Term

 

 

meningomyelocele

Definition
protrusion of the meninges and spinal cord
Term

 

 

mononeuropathy

Definition
disease effecting a single nerve
Term

 

 

neuroma

Definition
tumor made up of nerve cells
Term

 

 

neuralgia

Definition
pain in the nerve
Term

 

 

neurasthenia

Definition
nerve weakness
Term

 

 

neuritis

Definition
inflammation of the nerve
Term

 

 

neuroarthropathy

Definition
disease of nerves and joints
Term

 

 

neuropathy

Definition
disease of nerves
Term

 

 

poliomyelitis

Definition
inflammation of the gray matter of the spinal cord
Term

 

 

polyneuritis

Definition
inflammation of many nerves
Term

 

 

polyneuropathy

 

Definition
disease of many nerves
Term

 

 

radiculitis

Definition
inflammation of nerve roots
Term

 

 

 

radiculopathy

Definition
disease of nerve roots
Term

 

 

rhizomeningomyelitis

Definition
inflammation of the nerve root, meninges, and spinal cord
Term

 

 

subdural hematoma

Definition
blood tumor pertaining to below the dura mater
Term

 

 

Alzheimer Disease

(AD)

Definition
early senility confusion, loss of recognition of ppl or familiar surrounding, restlessness, loss of memory
Term

 

 

amyotrophic lateral sclerosis

(ALS)

Definition
progressive muscle atrophy caused by hardening of nerve tissue on the lateral columns of the spinal cord
Term

 

 

Bell palsy

Definition
paralysis of muscles on one side of the face; usually temporary
Term

 

 

cerebral aneurysm

Definition
aneurysm in the cerebrum
Term

 

 

cerebral embolism

Definition
an embolus lodges in cerebral artery
Term

 

 

cerebral palsy

(CP)

Definition
lack of muscle control and partial paralysis caused by brain defect or lesion
Term

 

 

dementia

Definition
cognitive impairment; loss of intellectual brain function
Term

 

 

epilepsy

Definition
disorder main symptom is recurring seizures
Term

 

 

hydrocephalus

Definition
increased amount of cerebrospinal fluid in the ventricles
Term

 

 

intracerebral hemorrhage

Definition
bleeding into the brain as a result of ruptured blood vessel
Term

 

 

multiple sclerosis

(MS)

Definition
degenerative disease; sclerotic patches along the brain and spinal cord
Term

 

 

Parkinsons disease

Definition
degenerative disease of the central nervous system
Term

 

 

sciatica

Definition
inflammation of the sciatic nerve
Term

 

 

shingles

Definition
viral disease that effects the peripheral nerves and causes blisters on the skin
Term

 

 

stroke

Definition
occur when there is an inturruption of blood supply to region of the brain
Term

 

 

subarachnoid hemorrhage

Definition
bleeding cause by a ruptured blood vessel just outside the brain
Term

transient ischemic attack

(TIA)

Definition
sudden lack of blood supply to brain lasting for a short time; same symptoms as stroke but only temporary
Term

 

 

ganglionectomy

Definition
excision of ganglion
Term

 

 

neurectomy

Definition
excision of nerve
Term

 

 

neurolysis

Definition
serarating a nerve from adhesions
Term

 

 

neuroplasty

Definition
surgical repair of a nerve
Term

 

 

neurorraphy

Definition
suture of the nerve
Term

 

 

neurotomy

Definition
incision into a nerve
Term

 

 

radicotomy; rhizotomy

Definition
incision into a nerve root
Term

 

 

cerebral angiography

Definition
xray of blood vessels in brain; with injection of contrast medium
Term

 

 

CT myelography

Definition
process of recording (scan) the spinal cord
Term

 

 

electroencephalogram

(EEG)

Definition
record of electrical impulses of the brain
Term

 

 

electroencephalograph

Definition
instrument used to record impulses of brain
Term

 

 

computed tomography (CT) of the brain

Definition
process with use of computer produces a series of images of the tissues of the brain at desired depth
Term

 

 

magnetic resonance imaging of the brain or spine

(MRI)

Definition
a non-invasive procedure that produces cross section and sagital images of soft tissues of the brain by magnetic waves. unlike CT the MRI is without radiation
Term

 

 

positron emission tomography of the brain

(PET scan)

Definition
radioactive substance permits viewing a slice of the brain
Term

 

 

evoked potential studies

(EP studies)

Definition
group of diagnostic test that measure changes and responses in brain waves
Term

 

 

lumbar puncture

(LP)

Definition
incison of a needle into the subaracnoid space between the third and fourth lumbar vertebrae
Term

 

 

anesthesia

Definition
without loss of feeling or sensation
Term

 

 

aphasia

Definition
condition of without speaking
Term

 

 

cephalalgia

Definition
pain in the head (headache)
Term

 

 

cerebral

Definition
pertaining to the cerebrum
Term

 

 

craniocerebral

Definition
pertaining to the cranium and cerebrum
Term

 

 

dyspagia

Definition
condition of difficulty speaking
Term

 

 

encephalosclerosis

Definition
hardening of the brain
Term

 

 

gliocyte

Definition
glial cell
Term

 

 

hemiparisis

 

Definition
slight paralysis of half
Term

 

 

hemiplegia

Definition
paralysis of half
Term

 

 

hyperesthesia

Definition
excessive sensitivity to stemuli
Term

 

 

interictal

Definition
occuring between seizures or attack
Term

 

 

monoparesis

Definition
slight paralysis of one limb
Term

 

 

monoplegia

Definition
paralysis of one limb
Term

 

 

myelomalacia

Definition
softening of spinal cord
Term

 

 

neuroid

Definition
resembling a nerve
Term

 

 

neurologist

Definition
physician who studies and treats disease of nerves
Term

 

 

panplegia

Definition
total paralysis
Term

 

 

paresthesia

Definition
abnormal sensation
Term

 

 

postictal

Definition
occuring after a seizure or attack
Term

 

 

preictal

 

 

Definition
occuring befor a seizure or attack
Term

 

 

quadriplagia

Definition
paralysis of four limbs
Term

 

 

subdural

Definition
pertaining to below the dura mater
Term

 

 

afferent

Definition
conveying toward a center
Term

 

 

ataxia

Definition
lack of muscle coordination
Term

 

 

cognitive

Definition
pertaining to the mental processes of comprehension, judgement, memory, & reason
Term

 

 

coma

Definition
state of profound unconsiousness
Term

 

 

concussion

Definition
jarring or shaking that results in an injury
Term

 

 

conscious

Definition
awake, alert, aware of one's surroundings
Term

 

 

convulsion

Definition
sudden involuntary contraction of a group of muscles (seizure)
Term

 

 

disorientation

Definition
a state of mental confusion as to time, place, and identity
Term

 

 

dysarthia

Definition
the inability to use speech that is distinct and connected because of loss of muscle control
Term

 

 

efferent

Definition
away from the center
Term

 

 

gait

Definition
a manner or style of walking
Term

 

 

incoherent

Definition
unable to express one's thoughts or ideas
Term

 

 

paraplagia

Definition
paralysis from the waste down
Term

 

 

seizure

Definition
sudden attack with an involutary series of contractions
Term

 

 

shunt

Definition
tube implanted in the body to redirect the flow of fluid
Term

 

 

syncope

Definition
fainting or sudden loss of consciousness
Term

 

 

unconsciousness

Definition
state of being unaware of ones surroundings
Term

 

 

psychiatrist

 

 

Definition
treat studies disorders of the mind
Term

 

 

phychogenic

Definition
originating in the mind
Term

 

 

psychologist

Definition
specialist of the mind
Term

 

 

psychopathy

Definition
disease of the mind
Term

 

 

psychosis

Definition
abnormal condition of the mind
Term

 

 

psychosomatic

Definition
pertaining to the mind and the body
Term

 

 

anxiety disorder

Definition
emotional disorder; feeling of aprehension, tension, or uneasiness, typically from unreal or imagined dangers
Term

 

 

attention deficit hyperactivity disorder

Definition
learning and behavioral problems, inattention, impulsiveness, hyperactivity
Term

 

 

autism

Definition
a mental disorder starts at infancy or early childhood
Term

 

 

 

Definition
Term

 

 

bipolar disorder

Definition
psychological disorder characterized by disturbance in mood
Term

 

 

major depression

Definition
a mood disturbance characterized by sadness, dispair, and discouragement
Term

 

 

obsessive compulsive disorder

 

Definition
intrusive unwanted thoughts that result in the tendency to perform repetitive acts
Term

 

 

panic attack

Definition
episode of acute anxiety
Term

 

 

phobia

Definition
persistant fear that is excessive or unreasonable
Term

 

 

pica

Definition
compulsive eating of non nutritive substances such as clay or ice.  often result of iron deficiency 
Term

 

 

posttraumatic stress disorder

Definition
acute emotional response to traumatic event
Term

 

 

schizophrenia

Definition
large group of psychological disorders characterized by gross distortions  of reality, disturbance of communication
Term

 

 

somatoform disorders

Definition
physical symptoms for which no known psysical cause exist
Term

 

 

AD

Definition
Alzeimer's Disease
Term

 

 

ALS

Definition
amyotropic lateral sclerosis
Term

 

 

CP

Definition
cerebral palsy
Term

 

 

CSF

Definition
cerebrospinal fluid
Term

 

 

CVA

Definition
cerebrovascular accident
Term

 

 

EEG

Definition
electroencephalogram
Term

 

 

EP studies

Definition
evoked potential studies
Term

 

 

LP

Definition
lumbar puncture
Term

 

 

MRI scan

Definition
magnetic resonance imaging
Term

 

 

MS

Definition
multiple sclerosis
Term

 

 

PD

Definition
parkinson disease
Term

 

 

PET scan

Definition
positron emission tomograpy scan
Term

 

 

TIA

Definition
transient ischemic attack
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