Common Prefixes, roots, suffixes in medical terminology

An

Without

anti

against

auto

self

contra

against

dys

abnormal, difficult

endo

within, inside

extra

outside of

hemi

half

hyper

above, increased

hypo

under, decreased

infra

below, beneath

inter

between

intra

within

mal

bad, poor

macro

large

micro

small

multi

many

neo

new

peri

around

poly

many

post

after

pre

before

pseudo

false

retro

backward

sub

under, beneath

uni

one

arthr

joint

aden/o

having to do with glands

carcin/o

cancerous

cardi/o

having to do with heart

cephal/o

head

dermat/o

skin

enter/o

intestines

gastr/o

related to the digestive tract

gynec/o

woman, female

hem/o

having to do with blood

iatr/o

practice of healing

my/o

muscle

nephr/o

kidney

neur/o

having to do with nerves

oste/o

bone

orth/o

straight, normal

ophthalm/o

having to do with eye

ot/o

having to do with ear

path/o

disease

ped/o

child

psych/o

mind

ur/o

urine

therm/o

heat

algia

pain

cide

destructive, killing

ectomy

surgical removal of

emia

blood

graphy

process of recording

gram

record

itis

inflammation

ist

person who practices something

logy

study of

oma

tumor

opsy

to view

osis

disease, condition

ostomy

opening to form a mouth

pathy

disease

phobia

fear

plasia

formation, growth

plegia

paralysis

scope

instrument for visual examination

tomy

incision of