Medical Terminology (Common Prefixes)

A-B

100

Without, lack of

What is a-?

200

before

What is ante-?

300

middle

What is meso-?

400

eight

What is octo-?

500

pus

What is pyo-?

C-D

100

Blue

What is cyan(o)-?

200

self

What is auto-?

300

Difficult, painful, abnormal

What is dys-?

400

five

What is penta-?

500

narrow

What is steno-?

E-I

100

Pertaining to the female or the reproductive organs

What is gynec(o)-?

200

different

What is hetero-?

300

Pertaining to red or to erythrocytes (red blood cells)

What is erythr(o)-?

400

four

What is tetra-, quadri-?

500

fast

What is tachy-?

L-N

100

Large

What is Macro or mega-?

200

below

What is infra-?

300

Pertaining to anything white or to leukocytes (WBC)

What is leuk(o)-?

400

one

What is uni-, mono-?

500

slow

What is brady-?

O-V

100

after, behind

What is post-?

200

bad

What is mal-?

300

yellow

What is luteus-?

400

Pertaining to the mind

What is psych(o)-?

500

color

What is chromo-?