Medical Prefixes

Front

a(n)

Back

Absence/Without

Front

ab-

Back

Away from

Front

ad-

Back

toward

Front

ambi-

Back

Both sides

Front

ante-

Back

before, forward

Front

anti-

Back

against

Front

apo-

Back

away from

Front

aut(o)-

Back

self

Front

bi-

Back

two

Front

diplo-

Back

double