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Root Words
Common root words and combining forms for medical terminology.
Term | Definition |
---|---|
abdomin/o | abdomen |
acou/o | hear |
aden/o | gland |
adip/o | fat |
alb/o | white |
alges/o | pain |
andr/o | man, male |
angi/o | vessel |
angin/o | blood vessels |
ankyl/o | fused, stiff |
anter/o | front |
aort/o | aorta |
apprendo/o | appendix |
arteri/o | artery |
arthr/o | joint |
asthen/o | weak |
atel/o | incomplere |
ather/o | fat |
atri/o | atrium |
audi/o | to hear |
aur/o | ear |
aut/o | self |
bacteri/o | bacteria |
bi | life; two |
chron/o | time |
cirrh/o | yellow-orange |
cleid/o | clavicle |
col/o | colon |
colp/o | vagina |
condyl/o | knuckle of joint |
cor/o | pupil |
corne/o | cornea |
cost/o | rib |
crani/o | cranium/skull |
crin/o | to secrete |
cubitus | elbow |
cutane/o | skin |
cyan/o | blue |
cycl/o | circle or cycle |
cyst/o | bladder |
cyt/o | cell |
derm(at)/o | skin |
digit | finger or toe |
dipl/o | two, double |
dips/o | thirst |
disl/o | flat shape, intervertebral disk |
dist/o | distant, away |
diverticul/o | diverticulum, a small blind pouch |
dors/o | back |
duct/o | lead, move |
duoden/o | duodenum |
ech/o | to bounce, sound |
ede | swelling |
elast/o | change shape |
electr/o | electricity |
embol/o | a plug |
embry/o | embryo |
emesis | vomit |
emmetr/o | according to measure |
encephal/o | brain |
enrer/o | small intestine |
episi/o | vulva |
erythr/o | red |
esthesi | sensation or perception |
Febr | fever |
flex | bend |
foranem | opening |
fract | break |
gastr.o | stomach |
gest | carry, produce, congestion |
glyc/o | sugar, sweet |
gno | know |
gyn/o | woman, female |
hem(at)/o | blood |
hepat/o | liver |
heter/o | other, different |
hom/o | same |
hydr/o | water |
idi/o | person, self |
lact/o | milk |
leuk/o | white |
lingu/o | tongue |
mal/o | bad, abnormal |
medi/o | middle |
melan/o | black, dark |
men/o | month, menstration |
mening/o | usually refers to the meninges |
myel/o | marrow or spinal cord |
my/o | muscle |
nephr/o | kidney |
neur/o | nerve |
ocul/o | eye |
opthalm/o | eye |
oste/o | bone |
ot.o | ear |
ov/o | egg |
palpate | to examine by touch |
path/o | disease |
ped/o | child or foot |
percuss | to examine by striling |
phag/o | to eat |
pharyng/o | throat |
phot/o | light |
pleur/o | rib, side |
pneum(at)/o | lungs, air |
pod(i) | foot |
pseud/o | false |
psych/o | mind |
pto | fall |
ptyal/o | saliva |
pulmon/o | lungs |
pur,py | pus |
pyr/o | fire, heat |
quad/o; quar | four |
ren/o | kidney |
rhin/o | nose |
sangui(n)/o | blood |
scler/o | hard |
sebum | fatty secretion of the sebaceous glands |
sect/o | cut |
sept/o | wall, divider; seven |
serum | clear portion of blood |
sinus | cavity, channel, or hollow space |
som(at) | mouth |
spir/o | coil, to breathe |
stern/o | sternum |
stomat/o | mouth |
thorac/o | chest |
tom/o | cut |
tosic/p | poisonous |
trich/o | hair |
ur/o | urine |
uter/o | uterus/womb |
varic/o | dilated vein |
vas/o | blood vessel |
viscer/o | internal organs |
xen/o | foreign(material) |
xer/o | dry |