Medical Terminology Prefix

Front 1

a-, an-

Back 1

Without out, lack of

Front 2

ad-

Back 2

To, towards

Front 3

angio-

Back 3

Vessel

Front 4

ante-

Back 4

Before, forward

Front 5

anti-

Back 5

Against, oppose to

Front 6

arter-

Back 6

Artery

Front 7

arthro-

Back 7

Pertaining to a joint

Front 8

bi-

Back 8

Two

Front 9

bio-

Back 9

Life

Front 10

brady-

Back 10

Slow

Front 11

cardi-

Back 11

Pertaining to the heart

Front 12

cerebr-

Back 12

Brain

Front 13

cerv-

Back 13

neck

Front 14

chole-

Back 14

Pertaining to bile

Front 15

contra-

Back 15

Against, opposite

Front 16

cost-

Back 16

Pertaining to a rib

Front 17

cyst-

Back 17

Pertaining to the bladder or any fluid filled sack

Front 18

cyt-

Back 18

Cell

Front 19

di-

Back 19

Twice, double

Front 20

dys-

Back 20

With difficulty

Front 21

ecto-

Back 21

Out from