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Medical Term Roots

Prefixes, Suffixes, and Roots

ab away from
abdomin/o abdomen
acr/o extremities
ad towards
aden/o glands
aer/o air
algesia oversensitive to pain
algia pain
amb/l both
angi/o vessel
anis/o unequal
anterior front
anti against
arteri/o arteries
arthr/o joint
aut/o self
bi/o life
blast/o embryonic
blephar/o eyelid
brad/y slow
carcin/o cancer
cardi/o heart
caudal downward
cele hernia
centesis puncture/tapping
cephal/o heard
cephalic upward
cerebrum part of brain where thought occurs
cheil/ia lips
cheil/o lip
chlor/o green
chole/e gall/bile
chondr/o cartilage
chrom/o color
circum around
clys/o irrigation
coccl/l /us bacteria
col/o colon
colp/o vagina
contra against
cost/o ribs
crani/o skull/cranium
crypt/o hidden
cyan/o blue
cyst/o bladder/fluid sac
cyt/o cellular
dactyl fingers and toes
de from/down from/taking away from
dent/o teeth
derm(at)/o skin
di/a through
dipl/o double
dips thirst
dorsal back
drom/o running
duct middle
duoden/o small intestine
dyn/ia pain/ache
dys bad
ect/o outer/outside
ectasia dilation
ectomy removal
em blood
emesis vomiting
encephal/o brain
end/o inner
enter/o small intestine
epi over/upon
errant wandering
erythr/o red
esthesi/a sensation
esthesia feeling/sensation
eu well/easy
ex out from
external outer
extra outside of
fibr/o fiber
gastr/o stomach
genesis forming
gingiv/o gums
gloss/ia tongue
gloss/o tongue
glyc/o glucose
gnosis knowledge
gram record
gynec/o diseases of women
hem/o blood
hepat/o liver
heter/o different
hidr/o sweat
hom/o same
hydr/o water
hyper more/over
Hypo less/under
Hyster/o Uterus
ile/o ileum
in in/not
infra below/under
inter between
internal inner
is/o equal
itis inflammation
jejun/o Jejunum
Kinesi/o motion
lanryg/o larynx
lapar/o abdominal wall
lateral side
leuk/o white(ness)
lip/o fat
lith/o stone/calculus
logy study
lumb/o lower back/loin
lys/o breaking down
lysis destruction
macr/o large
magal/o enlarged
malac/o softening
malan/o black
mania madness
median middle
melan/o black
men/o referring to mensus
mening/o meninges
mes/o middle
metr/o pertaining to the uterus
mon/o one/single
muc/o mucus
multi/i many/more than one
my/o muscle
myc/o fungus
myel/o bone marrow/spinal cord
narc/o sleep
necr/o pertaining to death
nephr/o kidney
neuro/o nerve/neuron
null/i none
o/blast/o germ/embryonic/gives rise to
o/o egg
o/spasm/o twitch
oid resembling
ology the study of
oma tumor
oophor/o ovary
ophthalm/o eye
opia vision
orchid/o testicles
orrhagia hemorrhage/ bursting
orrhaphy suturing/stitching
orrhea flow/discharge
orrhexis rupture
osis makes the word a noun and condition
ostomy form an opening (mouth)
ot/ia ear
ot/o ear
otomy cut into/ temporary opening
ous adjectival ending
pancreat/o pancreas
par/a beside/beyond/near/abnormal
par/o bear
path/o disease
pause cessation
pelv/i pelvis
penia decrease in/not enough
pepsis digestion
per through
peri around
pex/o fixation
pex/y surgical fixation
phag eat/swallow
phag/ia eating
phania first
phas/o speech
phil/o attraction to
phleb/o vein
phob/ia abnormal fear
phon/o voice/sound
plas/ia formation/change
plast/y surgical repair
pleg/a paralysis
pne/o breath(ing)
pneumon/o lung
pol/y many/much
posterior behind (location)
pro before/ in front of
procto rectum
pseud/o not true/false
psych/o mind
ptosis prolapse
pub/o pubis
py/o pus
pyel/o renal pelvis
pyr/exia heat/fever
rect/o rectum
retr/o backward/behind
rhin/o nose
salping/o fallopian tube(s)
scler/o hard
sepsis poisoned bloodstream
spermat/o seed
splen/o pertaining to the spleen
staphyl/o clusters/bunches
stasis suppression
stomato/o mouth
strept/o twisted chains
sub below/under
super above
superior above
supra above
supra beyond
syn/sym together
syphil/o referring to syphilis
tach/y fast/rapid
therap/y treatment
therm/o heat
thorac/o thorax/chest
tocia labor
trans over/across
trips/y rub/massage
troph/o development
ur/o urine
ureter/o ureter
urethr/o urethra
ventral belly (location)
viscer/o internal organs
xanth/o yellow
Created by: emdalton