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Medical Term

Prefixes

QuestionAnswer
A- Without
Ap- Separation from
Ab- Away from
Ad- Toward
Anti- Against
Ambi- Both
Ana- Up, toward, apart
Ante- Before, in front of, forward
Auto- / Aut self
Bi- Two, double, twice
Cata- Down, Under, Lower, Against
Circum- Around
Contra- Opposed , against
De- Down, from
Di- Two, or twice
Dia- Between, through, across
Dis - Apart from, free from
Dys - Difficult, painful, bad
Ec - Out of
Ecto- Outside
Endo- Within, inside
Em- In
Ex- / Exo Without, out of, outside, away from
Eu- Good, easy
Epi- upper
Extra- Outside
Hemi- Half
Hyper- Elevated, more than normal
Hypo- Decreased, below
In- Not
Infra- Below, beneath
Intro- Into, within
Inter- Between
Intra- Within
Meta- Beyond
Micro- Small
Multi- Many
Neo- New, recent
Poly- Many
Pre- Before
Post- After
Peri- Around
Pan- All
Para- Beside, beyond, after
Per- Throughout, excessive
Pseudo- false
Re- Again, backward
Retro- Backward, behind
Sub- Below
Super / Supra Above, beyond
Semi- Half
Trans- Across
Ultra- Above, increased