Medical word components

A-

without, away from

A(N)-

absence of

AB-

away from

AD-

toward

AN-

without

ANA-

up, apart

ANTE-, PRE-

before

ANTI-

against

ARTHR(O)-, ARTHR/O, ARTICUL

joint

AUR(I)-, OT(O)-, OT/O

ear

AUTO-

self

BI-, BIS-

double, twice, two

BRACHY-

short

BRADY-

slow

CARCIN(O)-

cancer

CARDI(O)-, CARDI/O

heart

CEPHAL(O)-

head

CIRCUM-

around, about

CONTRA-

against, counter, opposite

CORPOR-, SOMAT/O

body

CYAN(O)-

blue

CYST(O)-, CYST/O, VESIC/O

bladder

DERM-, CUT, DERMAT/O,

skin

DIPL(O)-

double

DIS-

apart

DORS-

back

DYS-

bad, faulty, abnormal, painful, difficult

ECT(O)-, EXTRA-

outside

ENDO-, INTRA-

inside, within

ENTER(O)-

intestine

EPI-

outer, superficial, upon, on top, over, above

ERYTHR(O)-

red

EU-

normal

EX-

external, outward

HEMI-, SEMI-

half

HYP(O)-

deficient, low, below, under

HYPER-

above, beyond, excessive, high

IN-

inward, without, not, within

INTER-

between, among

INFRA-

beneath

LEUK(O)-

white

LINGU(O)-, GLOSS/O

tongue

LIP(O)-, STEAT(O)-

fat

MACR(O)-

large

MAL-

bad, abnormal

MELAN(O)-

black

MICRO-

small

MON(O)-, UNI-

one

MY(O)-, MY/O

muscle

NEPHR(O)-, REN/O

kidney

NUTRI-

nourish

OPHTHALM(O)-, OPHTHALM/O, OCUL/O

eye

OSSE(O)-, OSTE(O)-, OSTE/O

bone

PARA-

beside, near, abnormal

PATH(O)-, -PATHY

disease

PED(O)-

child

PER-

through

PERI-

around

PHAGO-

eating

PHARMACO-

drug

PHARYNG(O)-

throat

PHLEB(O)-, PHLEB/O, VEN/O

vein

PNEUM(O)-, PNEUMON/O, PULMON/O

lung

POLY-

much, many

POST-

after

POSTER(I)-

back, behind

PRESBY-

elder

PSEUD(O)-

false

PSYCH(O)-

mind

PYEL(O)-

pelvis, kidney

PYR(O)-

fever, fire

QUADR(I)-

four

STETH(O)-

chest

SUB-

below

SUPER-, SUPRA-

above, beyond

TACHY-

fast, quick, rapid

TOX(O)-

poison

TRANS-

across, through

TRI-

three

VAS(O)-

blood vessel

XER(O)-

dry

ACOU, ACU

hear

ADEN/O

gland

AER/O

air

ALG, ODYN/O, -ALGIA

pain

ANDR/O

man

ANGI/O

vessel

ANKYL/O

crooked, curved

ANTER/I

front, forward

ARTERI/O

artery

ATHER/O

fatty

AUDI/O

hearing

BUCC/O

cheek

CEREBR/O, ENCEPHAL/O

brain

CERVIC

neck

CHOL/E

bile, referring to gallbladder

CHONDR/O

cartilage

COST/O

rib

CRANI/O

skull

CRY/O

cold