Medical Terminology 102 Prefixes

Front 1

a-

Back 1

without

Front 2

ab-

Back 2

away from

Front 3

ad-

Back 3

toward

Front 4

allo-

Back 4

other, different from usual

Front 5

an-

Back 5

without

Front 6

ante-

Back 6

before, in front of

Front 7

anti-

Back 7

against

Front 8

auto-

Back 8

self

Front 9

bi-

Back 9

two

Front 10

brady-

Back 10

slow

Front 11

circum-

Back 11

around

Front 12

contra-

Back 12

against

Front 13

de-

Back 13

without

Front 14

di-

Back 14

two

Front 15

dis-

Back 15

apart

Front 16

dys-

Back 16

painful; difficult; abnormal

Front 17

e-

Back 17

outward

Front 18

en-

Back 18

inward

Front 19

endo-

Back 19

within; inner

Front 20

epi-

Back 20

above

Front 21

eso-

Back 21

inward

Front 22

eu-

Back 22

normal

Front 23

ex-

Back 23

outward

Front 24

exo-

Back 24

outward

Front 25

extra-

Back 25

outside of

Front 26

hemi-

Back 26

half

Front 27

hetero-

Back 27

different

Front 28

homo-

Back 28

same

Front 29

hyper-

Back 29

excessive

Front 30

hypo-

Back 30

below; insufficient

Front 31

in-

Back 31

not; inward

Front 32

inter-

Back 32

between

Front 33

intra-

Back 33

within

Front 34

macro-

Back 34

large

Front 35

meta-

Back 35

beyond

Front 36

micro-

Back 36

small

Front 37

mono-

Back 37

one

Front 38

multi-

Back 38

many

Front 39

myo-

Back 39

to shut

Front 40

neo-

Back 40

new

Front 41

non-

Back 41

not

Front 42

nulli-

Back 42

none

Front 43

pan-

Back 43

all

Front 44

para-

Back 44

beside; abnormal; two like parts of a pair

Front 45

per-

Back 45

through

Front 46

peri-

Back 46

around

Front 47

poly-

Back 47

many

Front 48

post-

Back 48

after

Front 49

pre-

Back 49

before

Front 50

primi-

Back 50

first

Front 51

pro-

Back 51

before

Front 52

pseudo-

Back 52

false

Front 53

quadri-

Back 53

four

Front 54

re-

Back 54

again

Front 55

retro-

Back 55

backward; behind

Front 56

semi-

Back 56

partial

Front 57

sub-

Back 57

under

Front 58

tachy-

Back 58

fast

Front 59

tetra-

Back 59

four

Front 60

trans-

Back 60

across

Front 61

tri-

Back 61

three

Front 62

ultra-

Back 62

beyond

Front 63

un-

Back 63

not

Front 64

xeno-

Back 64

foreign