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Prefixes
The Language of Medicine 11th Edition
Term | Definition |
---|---|
a-, an- | no; not; without |
ab- | away from |
ad- | toward |
af- | toward |
agora- | marketplace |
ana- | up; apart; backward; again, anew |
ante- | before; forward |
anti- | against |
apo- | off, away |
aut-, auto- | self, own |
bi- | two |
brachy- | short |
brady- | slow |
cata- | down |
con- | together, with |
contra- | against; opposite |
de- | lack of; down; less; removal of |
dia- | complete; through |
dorsi- | back |
dys- | bad; painful; difficult; abnormal |
ec- | out; outside |
echo- | reflected sound |
ecto- | out;outside |
em- | in |
en- | in; within |
end- | in; within |
endo- | in; within |
epi- | above; upon; on |
eso- | inward |
eu- | good; normal; true |
ex- | out; away from |
exo- | out; away from |
extra- | outside |
hemi- | half |
in- | in; into; not |
infra- | below; inferior to; beneath |
inter- | between |
intra- | within; into |
ipsi- | same |
ir- | in |
kern- | nucleus (collection of nerve cells in the brain) |
macro- | large |
mal- | bad |
mega- | large |
meso- | middle |
meta- | change; beyond |
micro- | small |
multi- | many |
neo- | new |
nulli- | none |
oxy- | rapid; sharp; acid |
pachy- | heavy; thick |
pan- | all |
par- | other than; abnormal |
para- | near; beside; abnormal; apart from; along the side of |
per- | through |
peri- | surrounding |
polio- | gray matter (of brain or spinal cord) |
poly- | many; much; increased |
post- | after; behind |
pre- | before; in front of |
primi- | first |
pro- | before; forward |
pros- | before; forward |
pseudo- | false |
quadri- | four |
re- | back; again; backward |
retro- | behind; back; backward |
semi- | half |
sub- | under; below |
supra- | above, upper |
sym- | together; with |
syn- | together; with |
tachy- | fast |
tetra- | four |
trans- | across; through |
tri- | three |
ultra- | beyond; excess |
uni- | one |