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Prefixes

Prefixes for medical terminology

TermDefinition
Micro- small
Mono- one
Uni- one
Bi- two
Tri- three
Quad-, Quadri- four
Tetra- four
Centi- one hundred/reth
Mili- one thousand/th
Pan- all
Primi- first
Super- excessive;above
Ultra- excessive;beyond
Di- two
Hemi- half;partly
Semi- half;partly
Hyper- excessive;more than normal
Hypo- beneath;below normal
Multi- many
Poly- many
Ab- away from
Ad- toward
Nulli- none
Circum- around
Peri- around
Anti- against
Contra- against
Pro- before;favoring/supporting
Dia- through
Ecto- out;without,away
Ex-,Exo- out;without,away
Epi- above;upon
Infra- below
Inter- between
Intra- within
Retro- behind;backward
A-,An- no;not;without
Para- near;beside;abnormal
En-,End-,Endo- inside
Extra- outside
Per- through;by
Post- after;behind
Ipsi- same
Sub- under
Supra- above;beyond
Diplo- double
Macro- large
Mal- poor;abnormal
Eu- normal;good
Meso- middle
Mid- middle
Sym- joined;together
Syn- joined;together
Trans- across;through
Ante- before
Pre- before
Mega-,Megalo- enlargement
In- not;inside;in
Brady- slow
Tachy- fast
Dys- difficult
Meta- change or next in a series
De- down, from, removing, reversing
Af- toward
Ef- away from
Con- together, with
Created by: koalas2013
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