Prefixes
Root Words
Suffixes
Directional Terms
Abbreviations
100

Without, lack of

a - an

100

Crani(o)

Skull

100

Duction

Make something happen

100

Located at or toward the front of the body or body part

Anterior
100

BID

Twice a daily

200

Brady

Slow

200

Cardi(o)

Heart

200

Ectomy

Removal of, Excision

200
The farthest away from the midline of the body

Lateral

200

ADL

Activities of Daily Living

300

Hemi

Half

300

Cyan(o)

Blue

300

Inflammation

Itis

300

Medial

The closest to the midline of the body

300

PRN

As needed, as necessary

400

Small, Scant

Olig

400

Nephr(o)

Kidney

400

Oma

Tumor

400

Proximal

Nearest to the trunk of the body or the point of origin (the knee is proximal to the foot)

400

LUQ

Left Upper Quadrant

500

Fast

Tachy 

500

Mamm(o) / Mast(o)

Breast, Mammary gland

500

Uria

Condition of the uria

500

The back surface of the body

Posterior (dorsal)

500

HS

Hour of sleep / bedtime