Medical Terminology - prefixes and directional terms

Prefixes 1

100

multi-

poly-

What is many or much?

200

Micro-

What is small?

300

Circum-

What is around?

400

Hemi-

What is half?

500

Tachy-

What is rapid?

Prefixes 2

100

Quadri-

What is four?

200

Neo-

What is new?

300

Tox-

What is poison?

400

Endo-

What is in/within?

500

Brady-

What is slow?

Prefixes 3

100

anti-

What is against?

200

Hyper-

Supra-

excessive, above normal

300

Hypo-

sub-

supra-

below normal, beneath

400

para-

peri-

What is near, beside, or around?

500

oligo-

What is deficient?

directional definitions

100

Inferior

What is beneath or nearer to the feet?

200

anterior/ventral

What is toward or near the front?

300

posterior/dorsal

what is toward or near the back?

400

abduction

What is from/away from?

500

Adduction

What is toward?

directional terms

100

Nearer to the origin or point of attachment

What is proximal?

200

further from the origin or point of attachment

What is distal?

300

Toward the midline, nearer to the middle

What is medial?

400

Away from the midline; toward the side

What is lateral?

500

above or nearer to the head

What is superior?