Chapter 15- Nervous System

cerebr/o

cerebr/o

cerebrum

crani/o

cranium (skull)

encephal/o

brain

gangli/o

ganglion (knot or knot like mass)

gli/o

glue; neuroglial tissue

kinesi/o

movement

lept/o

thin, slender

lex/o

word, phrase

mening/o, meningi/o

meninges (membrane covering brain and spinal cord)

myel/o

bone marrow; spinal cord

narc/o

stupor; numbness; sleep

neur/o

nerve

radicul/o

nerve root

sthen/o

strength

thalam/o

thalamus

thec/o

sheath

ton/o

tension

ventricul/o

ventricle (of heart or brain)

-algesia, -algia

pain

-asthenia

weakness, debility

-esthenia

feeling

-kinesia

movement

-lepsy

seizure

-paresis

partial paralysis

-phasia

speech

-plegia

paralysis

-taxia

order, coordination

pachy-

thick

para-

near, beside; beyond

syn-

union, joined, together

uni-

one

nerve conduction velocity

test that measures the speed at which impulses travel through a nerve

electromyography

recording of electrical signals that occur in a muscle when it’s at rest and during contraction (assesses damage)

trephination

technique that cuts a circular opening into skull to reveal brain tissue and decrease intracranial pressure

ventriculoperitoneal shunting

relieves intracranial pressure by diverting excess cerebrospinal fluid from brain to peritoneal cavity

cerebrospinal fluid analysis

test to examine sample of fluid surrounding the brain

positron emission tomography (PET)

produces a cross-sectional image of metabolic activity of body tissues to determine presence of disease