directional prefixes

Front

AB

Back

away

Front

Ad

Back

toward

Front

Ante

Back

before
(anticipate)

Front

Anter/o

Back

Front

Front

Circum

Back

around

(circumference)

Front

Dist

Back

far, distant

(distance)

Front

Proxim

Back

Near

(proximity)

Front

end/o

Back

within

(endoskeleton)

Front

ex/o

Back

out, away from

(exit, external)

Front

Hemi

Back

half, one side

(hemisphere)