Medical Terminology

Prefixes

a-

not (anemia)

ab-

away (abduct)

ad-

toward (adrenaline)

anti-

against (antibiotics)

Brady-

slow (bradycardia)

de-

down, away from (dehydration)

dia-

through (dialysis)

dys-

bad (dysentry)

exo-

outside (exoskeleton)

extra-

outside

hyper-

over/high (hyperglycemia)

hypo-

under/low (hypoglycemia)

par-

around (paronychia)

peri-

around (perineum)

poly-

many (polyamorous)

pre-

before (prenatal)

pro-

before, on behalf of (probiotic)

sym-

with, together (symptom)

syn-

with, together (syndactyl)

tachy-

fast (tachycardia)