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Prefixes

Medical Terminology

TermDefinition
a-, an-, ar- without
ab- away from
ad- toward
alb- white
ambi- both
ankyl(o)-, ancyl(o)- crooked
ante- before
anti- against
aut(o)- self
bi-, bin- both, two
brachy- short
brady- slow
cata- down, reverse
chlor(o)- green
chromat(o)- color
chrom(o)- color
circum- around
cirrh(o)- yellow
co-, con-, com- together
contra- against
cry(o)-, crym(o)- cold
crypt(o)- concealed
cyan(o)- blue
de- down, from
demi- half
dextr(o)- right
di- double
dipl(o)- double
dis-, di-, dif- take apart
dors(o)- back
dys- painful, abnormal
ec- out of
ect(o)- outside
en-, endo-, ento- inside
epi- above
erythr(o)- red
exo- outside
extra- outside, in addition
fore- before, front
gen- produce
glauc(o)- grey
hemi- half
heter(o)- different
homeo-, homo- same
hydr(o)- water
hyper- excessive
hypo- deficient
idio- self, separate
im- not
in- into, not
infra- beneath
inter- between
intra- inside
iso- same
later(o)- to the side
lept(o)- slender
leuc(o)-, leuk(o)- white
macr(o)- large
mal- bad, abnormal
mega-, megalo- large
melan(o)- black
mes(o)- middle
meta- change, exchange
micro- small
mon(o)- one
neo- new
nulli- none
olig(o)- small, insufficient
orth(o)- straight
ox(o)- oxygen
pachy- thick
pan- all
para-, par- near, apart from
peri- around
pleo-, pleio- more
polio- grey matter
poly- many
post- behind, after
pre- before
prim- first
pro- in front of
proto- first
pseud(o)- false
quadr(i)- four
retro- backward
semi- half
sinistr(o)- left side
sub-, sup- below, under
super- excessive
supra- above
sym-, syn- together
tachy(o)- rapid
tetra- four
trans- across
tri- three
ultra- excess, beyond
Created by: CKHKU