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Medical Prefixes

Common Medical Terminology Prefixes

TermDefinition
prefix Beginning of word and tells how, why, where, when, how much, how many, position, direction, time, or status
a, an lack of, without, not
ante before, in front of , forward
anti against, opposing
bi double, two, twice, both
co, con, com together, with
de down, or from
di twice, two
extra, extro beyond, outside of, or outward
hemi, semi half, half of
hyper above, excessive, beyond
hyp, hypo Below, beneath, deficient
infra below or beneath
inter between
intra within, inside
intro into, or within
macro large
micro, micr tiny, small
post after, or following, behind
pre, pro in front of, before, preceding
retro behind, backward
trans through or across
tri three
ultra excessive, beyond
Created by: crazysos
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