Prefixessdas

ab

away from

abduct

(to carry away by force)

a, an

without

anoxia

(lack of oxygen)

ad

towards

adduct

(to move toward the body)

albin/o

white

albinism

(lack of skin pigment)

ante

before, in front of

antecubital

(front of the elbow)

anti

against

antiseptic

(prevents infection)

ambi

both, both sides or around

ambidextrous

(able to use both hands equally)

bi, bis

two or twice

bilateral

(affecting both sides)

brady

slow

bradycardia

(slow heart rate)

chlor/o

green

chloroplast

(green plant cell structure)

contra

against

contraindication

(reason to avoid something)

crypt

hidden

cryptorchid

(undescended testicle)

cyan/o

blue

cyanotic

(bluish skin due to lack of oxygen)

de

away, take away

dehydrate

(lose water)

dia

through

diathermy

(heat therapy through tissues)

di, dis

two, twice, double

diplopia

(double vision)

dys

difficult, painful

dysphagia

(difficulty swallowing)

ecto

outer

ectoderm

(outer layer of skin or embryo)

en, endo

inside

endocarditis

(inflammation inside the heart)

ento

inside, within

entocornea

(inner layer of the cornea)

epi

upon, above

epigastrium

(upper part of the stomach)

erythro

red

erythrocyte

(red blood cell)

eu

normal

eupnea

(normal breathing)

e, ex, exo

out of, outside

eversion

(turning outward)

extra

outside of, beyond

extrahepatic

(outside the liver)

hemi

half

hemiplegia

(paralysis of one side)

hydro

water

hydrocephalus

(fluid in the brain)

hydrophobia

(fear of water)

hyper

above

hypertension

(high blood pressure)

hypo

below, under

hypothermia

(low body temperature)

hypotension

(low blood pressure)

in

not

inoperable

(not able to be operated on)

in, intra

within, in

intravenous

(inside a vein)

infra

below, beneath, under

inframammary

(below the breast)

inter

between

intercostal

(between the ribs)

macro

large

macrocephaly

(abnormally large head)

mal

bad, abnormal

malalignment

(poor alignment)

meta

beyond

metacarpal

(beyond the wrist)

micro

small

microdontism

(small teeth)

mono

one

monodiplopia

(double vision in one eye)

multi

many

multicellular

(having many cells)

nulli

none

nulliparity

(never given birth)

ortho

straight, correct

orthopedics

(study of bones/joints)

pan

all

panarthritis

(inflammation of all joints)

para

beside

parathyroid

(gland near the thyroid)

per

through, by means of

percutaneous

(through the skin)

peri

around

periarterial

(around an artery)

poli/o

gray

poliomyelitis

(viral disease affecting gray matter of spinal cord)

poly

too much, many

polyuria

(excessive urination)

post

after

postmortem

(after death)

pre

before, in front of

predisposition

(tendency before occurrence)