roots
abbreviations
suffixes
prefixes
directional terms
100

myo

muscle

100

at once, immediately

stat

100

excision, removal of

ectomy

100

hyper

high, excessive

100

located towards the front of the body

anterior

200

gluco

sweetness, glucose

200

range of motion

ROM

200

inflammation

itis

200

a/an

without, lack of

200

side of the body or part

lateral

300

artho

joint

300

twice a day

BID

300

the study of

logy

300

brady

slow

300

at the back of the body

posterior

400

oto

ear

400

nothing by mouth

NPO

400

disease

pathy

400

dys

difficulty

400

near the midline

medial

500

derma

skin

500

when necessary, as needed

PRN

500

pain

algia

500

circum

around

500

nearest to the trunk of the body or point of origin

proximal