Medical Terms Prefixes

Front 1

a-

Back 1

without

Front 2

ab-
abs-

Back 2

away from

Front 3

ad-

Back 3

toward, to

Front 4

ambi-

Back 4

both, around

Front 5

an-

Back 5

without

Front 6

ana-

Back 6

up, toward

Front 7

ante-

Back 7

before

Front 8

anti-

Back 8

against

Front 9

apo-

Back 9

derived, separate

Front 10

aut(o)-

Back 10

self