EMS 110 Medical Terminology: Prefixes, Suffixes, and Roots

a

without, lack of

ab

away from

abdomi(n)

abdomen

acr(o)

pertaining to an extremity

ad

to, toward

aden(o)

pertaining to a gland

an

without, lack of

ana

up, back, again

angio

vessel

ante

before, forward

anti

against, opposed to

arteri(o)

artery

arthro

pertaining to a joint

auto

self

bi

two

bi(o)

pertaining to life

blast(o)

germ or cell

blephar(o)

pertaining to an eyelid

brady

slow

calc

stone; also heel

cardi(o)

pertaining to the heart

cephal(o)

pertaining to the head

cerebr(o)

pertaining to the cerebrum

cervic(o)

pertaining to the neck or uterine cervix

chole

pertaining to bile

chondr(o)

pertaining to cartilage

circum

around, about

contra

against, opposite

cost(o)

pertaining to a rib

cyan(o)

blue

cyst(o)

pertaining to the bladder or fluid

cyt(o)

pertaining to a cell

de

down from

dermat(o)

pertaining to the skin

di

twice, double

dia

through, completely

dys

difficult, painful, abnormal

ect(o)

out from

electro

pertaining to electricity

end(o)

within

enter(o)

pertaining to the intestines

epi

upon, on

erythr(o)

pertaining to red or red blood cells

eu

easy, good, normal

ex(o)

outside

extra

outside, in addition

gastr(o)

pertaining to the stomach

glyc(o)

sugar

gynec(o)

pertaining to females or female reproductive organs

hemat(o)

pertaining to blood

hemi

half

hem(o)

pertaining to blood

hepat(o)

pertaining to the liver

heter

other, different

hom

same or like

hydr(o)

water

hyper

over, excessive

hypo

under, deficient

hyster(o)

pertaining to the uterus

infra

below

inter

between

intra

within

iso

equal

latero

side

leuk(o)

pertaining to white or white blood cells

lith(o)

pertaining to a stone

macro

large

mal

bad or abnormal

medi

middle

mega

large

melan

black

mening(o)

pertaining to a membrane or meninges

micro

small

mono

one

myel(o)

pertaining to spinal cord, bone marrow, or myelin

my(o)

pertaining to muscle

nas(o)

pertaining to the nose

ne(o)

new

nephr(o)

pertaining to the kidney

neur(o)

pertaining to a nerve or nervous system

noct

night

olig(o)

little, deficient

oophor(o)

pertaining to the ovary

ophthalm(o)

pertaining to the eye

orchid(o)

pertaining to the testicles

orchi(o)

pertaining to the testicles

oro

pertaining to the mouth

ortho

straight or normal

oste(o)

pertaining to bone

ot(o)

pertaining to the ear

para

by the side of

path(o)

pertaining to disease

per

through

peri

around

phag(o)

pertaining to eating or engulfing

pharyng(o)

pertaining to the throat or pharynx

phleb(o)

pertaining to a vein

pneum(o)

pertaining to respiration, lungs, or air

poly

many

post

after, behind