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MedTerm Root Words

Root Words

cardi/o heart
gastr/o stomach
hepat/o liver
rhin/o nose
cephal/o head
arthr/o joint
my/o muscle
oste/o bone
electr/o electricity
carcin/o cancer
men/o menstration, menses
cutane/o skin
hyster/o uterus
sinus sinuses
angi/o vessel
ventricul ventricles
laryng voice box
muscul/o muscle
neur/o nerve
ophthalm/o eye
scapul/o shoulder blade
abdomin/o abdomen
anter/o front (side of body)
brachi/o arm
caud/o tail
cervic/o neck
chondr/o cartilage
crani/o skull
cubit/o elbow
dist/o farthest (away from beginning of structure)
dors/o back (side of body)
femor/o femur, thigh bone
genit/o genitals
glute/o buttocks
infer/o below, lower
inguin/o groin
later/o side
lumb/o low back
medi/o middle
nas/o nose
orbit/o eye socket
or/o mouth
ot/o ear
patell/o patella, kneecap
proxim/o nearest (to beginning of structure)
pelv/o pelvis
poster/o back (side of body)
thorac/o chest
scapul/o scapula, shoulder blade
spin/o spine
stern/o sternum, breast bone
super/o above, upper
ventr/o belly (side of body)
vertebr/o vertebra, back bone
deep further below from the surface
prone lie face down
superficial nearer the surface
supine lie face up
axillary underarm area
lower extremity the entire leg
plantar sole of foot
palmer palm of hand
popliteal creased area behind knee
trunk torso (excluding head and extremities)
umbilical region around navel
upper extremity the entire arm
aden/o gland
adip/o fat
cyan/o blue
dermat/o skin
derm/o skin
hidr/o sweat, water
kerat/o keratin, hard, hornlike
lip/o fat
melan/o melanin, black
onych/o nail
py/o pus
seb/o sebum, oil
trich/o hair
ungu/o nail
bi/o life
chem/o chemical
cry/o cold
erythr/o red
ichthy/o scaly
leuk/o white
myc/o fungus
necr/o death
scler/o hard
vesic/o bladder, sac
xanth/o yellow
xer/o dry
burs/o bursa
carp/o carpals (wrist)
clavicul/o clavicle (collar bone)
coccyg/o coccyx (tailbone)
cost/o rib
fibul/o fibula (thinner lower leg bone)
humer/o humorous (upper arm bone)
ili/o ilium (part of pelvis)
ischi/o ischium (part of pelvis)
mandibul/o mandible (lower jaw)
maxill/o maxilla (upper jaw)
metacarp/o metacarpus (hand bones)
metatars/o metatarsus (foot bones)
myel/o bone marrow
phalang/o phalanges (fingers and toes)
pub/o pubis (part of pelvis)
radi/o radius (part of forearm)
sacr/o sacrum
spondyl/o vertebra
tars/o tarsals (ankles)
ten/o tendon
tendin/o tendon
tibi/o tibia (shin, larger lower leg bone)
uln/o ulna (part of forearm)
angi/o vessel
aort/o aorta
arteri/o artery
arteriol/o arteriole
ather/o fatty substance, plaque
atri/o atrium
coron/o heart
embol/o plug
isch/o to keep back
phleb/o vein
steth/o chest
thromb/o clot
valv/o valve
valvul/o valve
vari/o dilated vein
vascul/o blood vessel
vas/o blood vessel
ventricul/o ventricle
venul/o venule
esophag/o esophagus
pulmon/o lung
son/o sound
sphygm/o pulse
bas/o base
coagul/o clotting
eosin/o rosy red
erythr/o red
hem/o blood
hema/o blood
lymph/o lymph
neutr/o neutral
cyt/o cell
glyc/o sugar
path/o disease
septic/o infection
adenoid/o adenoids
immun/o protection
lymphaden/o lymph node
lymphangi/o lymph vessel
phag/o eating
splen/o spleen
thym/o thymus
tonsill/o tonsils
cortic/o cortex
system/o system
alveol/o alveolus, air sac
bronch/o bronchus
bronchi/o bronchus
bronchiol/o bronchiole
coni/o dust
lob/o lobe
mediastin/o mediastinum
ox/i oxygen
pleur/o pleura
pneum/o lung, air
pneumon/o lung
spir/o breathing
trache/o trachea, windpipe
arteri/o artery
atel/o incomplete
fibr/o fibrous
orth/o straight
balan/o glans penis
cyst/o bladder
epididym/o epididymis
glomerul/o glomerulus
lith/o stone
nephr/o kidney
orchid/o testes
orchi/o testes
orch/o testes
prostat/o prostate gland
pyel/o renal pelvis
ren/o kidney
semin/i semen
spermat/o sperm
sperm/o sperm
testicul/o testicle
ur/o urine
ureter/o ureter
urethr/o urethra
urin/o urine
vas/o vas deferens
vesicul/o seminal vesicle
albumin/o albumin
azot/o nitrogen waste
bacteri/o bacteria
corpor/o body
crytp/o hidden
glycos/o sugar, glucose
hemat/o blood
noct/i night
olig/o scanty
rect/o rectum
ven/o vein
amni/o amnion
cervic/o neck, cervix
chori/o chorion
colp/o vagina
embry/o embryo
episi/o vulva
fet/o fetus
gynec/o woman, female
lapar/o abdomen
mamm/o breast
mast/o breast
metr/o uterus
nat/o birth
o/o egg
oophor/o ovary
ovari/o ovary
salping/o fallopian tubes, uterine tubes
uter/o uterus
vagin/o vagina
cyst/o bladder
cerebell/o cerebellum
cerebr/o cerebrum
encephali/o brain
medull/o medulla oblongata
mening/o meninges
myel/o spinal cord
pont/o pons
thalam/o thalamus
lumb/o low back
Created by: jlhorne