Medical Prefixis

Front 1

a-, an-

Back 1

without, not, lack of

Front 2

ab-

Back 2

away from

Front 3

ad-

Back 3

to, toward, near

Front 4

ante-

Back 4

before, forward, in front of

Front 5

auto-

Back 5

self

Front 6

bi-

Back 6

double, two, twice

Front 7

brady-

Back 7

slow

Front 8

circum-

Back 8

around

Front 9

contra-

Back 9

against, opposite

Front 10

de-

Back 10

down, from

Front 11

dia-

Back 11

across, through, apart

Front 12

dis-

Back 12

apart, free from

Front 13

dys-

Back 13

bad, difficult, abnormal

Front 14

ecto-

Back 14

outer, outside

Front 15

en-

Back 15

in, into, within

Front 16

endo-

Back 16

inner, inside

Front 17

epi-

Back 17

over, on, upon

Front 18

eryth-

Back 18

red

Front 19

eu-

Back 19

normal, well, good, healthy

Front 20

ex-

Back 20

out, out of, from, away from

Front 21

hemi-

Back 21

half

Front 22

hyper-

Back 22

excessive, to much, high

Front 23

hypo-

Back 23

under, decreased, less than normal

Front 24

in-

Back 24

in, into, within, not

Front 25

inter-

Back 25

between

Front 26

intra-

Back 26

within

Front 27

intro-

Back 27

into, within

Front 28

leuk-

Back 28

white

Front 29

macro-

Back 29

large

Front 30

mal-

Back 30

bad, illness, disease

Front 31

meg-

Back 31

large

Front 32

micro-

Back 32

small

Front 33

mono-

Back 33

one, single

Front 34

neo-

Back 34

new

Front 35

non-

Back 35

not

Front 36

olig-

Back 36

small, scant

Front 37

para-

Back 37

beside, beyond, after

Front 38

per-

Back 38

by, through

Front 39

pro-

Back 39

before, in front of

Front 40

re-

Back 40

again, backward

Front 41

retro-

Back 41

backward, behind

Front 42

semi-

Back 42

half

Front 43

sub-

Back 43

under, beneath

Front 44

super-

Back 44

above, over, excess

Front 45

supra-

Back 45

above, over

Front 46

tachy-

Back 46

fast, rapid

Front 47

trans-

Back 47

across

Front 48

uni-

Back 48

one