Medical Terminology Common Prefixes

Front 1

A-

Back 1

without, away from

Front 2

AN-

Back 2

without

Front 3

BRADY-

Back 3

slow

Front 4

SUPER-

Back 4

above, beyond

Front 5

SUPRA-

Back 5

above, beyond

Front 6

HYPER-

Back 6

above, beyond, excessive

Front 7

EPI-

Back 7

above, upon, over

Front 8

BI-

Back 8

two

Front 9

ENDO-

Back 9

within

Front 10

INTRA-

Back 10

within

Front 11

ANTE-

Back 11

before

Front 12

PRE-

Back 12

before

Front 13

PERI-

Back 13

around

Front 14

CIRCUM-

Back 14

around

Front 15

ANTI-

Back 15

against

Front 16

ECTO-

Back 16

outside

Front 17

MICRO-

Back 17

small

Front 18

MACRO-

Back 18

large

Front 19

UNI-

Back 19

one

Front 20

TRI-

Back 20

three

Front 21

TACHY-

Back 21

fast, rapid

Front 22

QUADRI-

Back 22

four

Front 23

MYO-

Back 23

to shut

Front 24

IN-

Back 24

inward, without, not, within

Front 25

EX-

Back 25

external, outward

Front 26

AUTO-

Back 26

self

Front 27

INTER-

Back 27

between

Front 28

HEMI-

Back 28

half

Front 29

SEMI-

Back 29

partial, half

Front 30

TRANS-

Back 30

across, through

Front 31

PER-

Back 31

through

Front 32

HYPO-

Back 32

under, below, deficient

Front 33

SUB-

Back 33

below

Front 34

DYS-

Back 34

abnormal, difficult, painful

Front 35

PARA-

Back 35

beside, near, abnormal

Front 36

DIS-

Back 36

apart

Front 37

ANA-

Back 37

up, apart

Front 38

AD-

Back 38

toward

Front 39

POST-

Back 39

after

Front 40

AB-

Back 40

away from

Front 41

POLY-

Back 41

many

Front 42

MONO-

Back 42

one

Front 43

2 prefixes meaning WITHOUT

Back 43

A-

AN-

Front 44

4 prefixes meaning ABOVE, BEYOND, OVER

Back 44

EPI-

HYPER-

SUPER-

SUPRA-

Front 45

2 prefixes for WITHIN

Back 45

ENDO-

INTRA-

Front 46

2 prefixes for BEFORE

Back 46

ANTE-

PRE-

Front 47

2 prefixes for AROUND

Back 47

PERI-

CIRCUM-

Front 48

2 prefixes for HALF

Back 48

HEMI-

SEMI-

Front 49

2 prefixes for THROUGH

Back 49

TRANS-

PER-

Front 50

2 prefixes for BELOW

Back 50

HYPO-

SUB-

Front 51

2 prefixes for ABNORMAL

Back 51

DYS-

PARA-

Front 52

2 prefixes for APART

Back 52

DIS-

ANA-

Front 53

2 prefixes for ONE

Back 53

MONO-

UNI-