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Medical Terminology Prefixes

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Updated 2009-11-15 18:01

Numbers

PrefixMeaning
bi-two, double
hemi-half
milli-one thousandth
mono-one, single
nulli-none
primi-first
quadri-four
semi-half
tetra-four
tri-three
uni-one
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Measurement

PrefixMeaning
hyper-excessive
hyp-under, below, beneath, less than normal
hypo-under, below, beneath, less than normal
multi-many
poly-many, much
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Position or Direction

PrefixMeaning
ab-from, away from
ad-toward, increase
ambi-both, both sides
ante-before, in front
circum-around
de-down from
dia-through
ecto-outside
endo-within
epi-upon, over
ex-out, away from, outside
extra-outside, beyond
hypo-under, below, beneath, less than normal
in-in, inside, within,not
infra-beneath, below, under
inter-between
intra-within
juxta-near, beside
meso-middle
para-near, beside, beyond, two like parts
peri-around
pre-before, in front
pro-in front, before
retro-backward, behind
sub-under, below
supra-above, over
trans-across, through
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Color

PrefixMeaning
alb-white
albin/owhite
chlor/ogreen
cirrh/oyellow, tawny
cyan/oblue
eosin/ored, rosy
erythr/ored
glauc/ogray, silver
jaund/oyellow
leuk/owhite
melan/oblack
poli/ogray
purpur/opurple
rube-red
xanth/oyellow
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Negatives

PrefixMeaning
a-without, not, no
an-without, not
ana-not, without
anti-against
contra-against
dis-free of, to undo
im-not
in-in, inside, within, not
non-not
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