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Root Words

Medical Terminology Root Words

Root WordRoot Word Meaning
abdomin/o abdomen
acr/o extremities
aden/o gland
adenoid/o adenoids
adip/o fat
aer/o air
alb/o white
albumin/o albumin
amni/o amnion
amyl/o starch
angi/o vessel
ankyl/o crooked or fused
anter/o anterior/before
aort/o aorta
append/o appendix
arteri/o artery
arthr/o joint
articul/o joint
atel/o imperfect
ather/o yellow
aur/o ear
bil/o bile
blast/o embryonic form
blephar/o eyelid
brachi/o arm
brachy short
bronchi/o windpipe
bucc/o cheek
burs/o bursa
calc/i calcium
calcane/o heel
carcin/o cancer
cardi/o heart
carp/o carpus/wrist
caud/o tail
cec/o cecum
cephal/o head
cerebr/o brain
cervic/o neck
chlor/o green
chol/e bile
cholecyst/o gallbladder
chondr/o cartilage
chori/o fetal covering
clavicul/o clavicle
coccyg/o coccyx
col/o colon
colp/o hollow/vagina
cost/o rib
crani/o cranium/skull
cry/o cold
crypt/o hide conceal
cutane/o skin
cyan/o blue
cyst/o cyst
cyt/o (-cyte) cell
dactyl/o finger
dent/i dent/o teeth
derm/a dermat/o skin
dextr/o right
dips/o thirst
disc/o disc/disk
dist/o far/distant from origin
dors/o directed toward/on the back
duoden/o duodenum
ech/o sound
electr/o electricity
encephal/o brain
enter/o intestine
erythr/o red
esophag/o esophagus
esthesi/o feeling
femor/o femur
fet/o fetus
fibr/o fiber
fibul/o fibula
front/o forehead/front
galact/o milk
gastr/o stomach
genit/o genitals
ger/o old
glomerul/o glomerulus
gloss/o tongue
glyc/o sugar/sweet
gnath/o jaw
granul/o grain/particle
gynec/o female
hem/a hem/o hemat/o blood
hepat/o liver
hist/o tissue
hom/o common/same
humer/o humerus
hydr/o water
hyster/o uterus/womb
ile/o ileum (small intestine)
ili/o ilium (hip bone)
immun/o immune
infer/o lowermost/below
intestin/o intestine
irid/o colored circle/iris
isch/o suppress restrain
ischi/o ischium
jejun/o jejunum
labi/o lip
lacrim/o tear/crying
lact/o milk
lapar/o flank/abdominal wall
laryng/o larynx (voice box)
later/o side
leuc/o leuk/o white
lingu/o tongue
lip/o fat
lith/o stone
lob/o lobe
lumb/o lower back
lymph/o lymph/lymphatics
mamm/o mast/o breast
medi/o middle
melan/o black
men/o month
mening/o membrane
metr/i uterine tissue
mon/o one/only
muc/o mucus
muscul/o muscle
my/o muscle
myc/o fungus
myel/o marrow/spinal cord
narc/o sleep/numbness
nas/o nose
ne/o new
necr/o dead/corpse
nephr/o kidney
neur/o nerves
odont/o teeth
odyn/o pain/distress
onc/o bulk/tumor
oophor/o ovary
ophthalm/o eyelid
or/o mouth
orchi/o testicle
orth/o straight
oste/o bone
ot/o ear
pancreat/o pancreas
patell/o patella - kneecap
path/o disease
pelv/i pelvis
periton/o peritoneum
pharmac/o drugs/medicine
pharyng/o pharynx
phleb/o vein
phon/o sound/voice
phot/o light
phren/o mind/diaphragm
pleur/o pleura
poster/o posterior/toward back
pneum/o air/breathing/lung
proct/o rectum/anus
prostat/o prostate
proxim/o nearest point of origin
pseud/o False
psych/o mind
pub/o pubis
pulm/o pulmon/o lung
py/o pus
pyel/o trough/renal pelvis
radi/o radius/radiant energy
rect/o rectum
ren/o kidneys
rhin/o nose
sacr/o sacrum
salping/o tube
scrot/o scrotum
semin/o semen
ser/o serum
somat/o body
son/o sound
spermat/o seed
sphen/o wedge/sphenoid
splen/o spleen
spondyl/o vertebra
stern/o sternum
tars/o ankle bone (tarsal)
tempor/o temple
ten/o tendon/tight band
therm/o heat
thorac/o chest
thromb/o clot/ thrombus
tibi/o tibia
tonsill/o tonsil
tox/o poison
trache/o trachea (windpipe)
uln/o ulna
ur/o urine
ureter/o ureter
urethr/o urethra
uter/o uterus
vag/o vagus nerve
vas/o vessel/ductus deferens
ven/o vein
ventr/o ventral/ belly side
vertebr/o vertebra
vulv/ o vulva
xanth/o yellow
Created by: DebbieSch
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