PHAR 1002-Chapter 9

afferent

conducting impulses inward toward the spinal cord or brain

autonomic

not voluntary

efferent

conducting impulses outward away from brain or spinal cord

ganglion

greek swelling

sympathetic nervous system

fight or flight

parasympathetic nervous system

rest and digest

viscer

internal organs

myel

spinal cord

lemma

covering

ependyma

membrane lining the central canal of the spinal cord and the ventricles of the brain

neurolemmocyte

connective tissue cell of the peri nervous sys that forms a myelin sheath

cerebellum

the most posterior area of the brain

cerebrum

major portion of brain divided into two hemispheres separated by a fissure

corpus callosum

bridge of nerve fibers connecting the two cerebral hemispheres

gyrus

greek circle

occipital lobe

posterior area of cerebral hemispheres

parietal lobe

area of brain above the ear

temporal lobe

posterior two-thirds of cerebral hemisphere

decussate

to make in the form of a cross

reticul

fine net

oblong

elongated

abducens

draw away from

gloss

tongue

olfact

smell

gemin

double, twin

trochle

pulley

arachn

cobweb, spider

cervic

neck

tome

instrument to cut

mater

mother

deliri

confusion

confus

bewildered

aneurysm

dilation of an artery or cardiac chamber

embolus

plug or stopped

paresis

weakness

pleg

paralysis

isch

to keep back

spast

tight

ict

seizure

stat

standing still

clon

violent action

aura

breath of air. sensory experience preceding an epileptic seizure or a migraine headache

cata

down

plexy

stroke

chorea

involuntary dance

narcolepsy

condition with frequent incidents of sudden, involuntary deep sleep

prion

infectious protein particle

syncope

temporary loss of consciousness and postural tone due to diminished cerebral blood flow

contus

bruise

edema

swelling

somn

sleep

bell palsy

paralysis on one side of the face

encephal

brain

myel

spinal cord

esthes

sensation

tay-sachs disease

fat buildup in neurons of the brain and spinal cord causing their destruction

herni

rupture

polio

gray matter

spondyl

vertebra