Suffixes
Prefixes
Directional Terms
100

logy

study of

100

hyper

high, over, excessive

100

lateral

outer structures (to the sides)

200

logist

specialist

200

hypo

under, below normal

200

medial

inner structures (closer to mid-line)

300

pathy

disease

300

tachy

fast, rapid

300

anterior

front surface of body

400

megaly

enlargement

400

brady

slow

400

posterior

back surface of body

500

itis

inflamation

500

post

after, behind

500

proximal

structures that are closer to the trunk of the body