Medical Prefix

Front 1

endo-

Back 1

Within, inner

Front 2

epi-

Back 2

Above

Front 3

eu-

Back 3

Normal

Front 4

ex-

Back 4

Outward

Front 5

extra-

Back 5

Outside of

Front 6

in-

Back 6

Not, inward

Front 7

inter-

Back 7

Between

Front 8

intra-

Back 8

within

Front 9

para-

Back 9

Beside, abnormal, pair

Front 10

per-

Back 10

Through

Front 11

peri-

Back 11

Around

Front 12

pro-

Back 12

Before

Front 13

pseudo-

Back 13

False

Front 14

re-

Back 14

Again

Front 15

ultra-

Back 15

Beyond

Front 16

nulli-

Back 16

None

Front 17

pan-

Back 17

All

Front 18

semi-

Back 18

Partial

Front 19

Prefix content

Back 19

Location, time, number