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Medical TERMINOLOGY   -   A thru Z

Prefixes, roots, suffixes

Prefix: A prefix is placed at the beginning of a word to modify or change its meaning. Pre means "before." Prefixes may also indicate a location, number, or time.    Root: central part of a word.   Suffix:  The ending part of a word that modifies the meaning of the word. Example: homeless. Root = 'home' and the suffix is 'less'. It can also refer to a condition, disease, disorder, or procedure.
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Term
Meaning
-ia condition
-iac pertaining to
-iasis abnormal condition
iatr/o physician; treatment
-ic pertaining to
-ical pertaining to
ichthy/o dry; scaly
-ician specialist
-icle small
ide/o idea, mental images
idi/o unknown; individual; distinct
ile/o ileum
ili/o ilium
immun/o immune; protection; safe
in- in; into; not
-in a substance
-ine a substance
-ine pertaining to
infra- below; inferior to; beneath
inguin/o groin
insulin/o insulin (pancreatic hormone)
inter- between
intra- within; into
iod/o iodine
ion/o ion; to wander
-ion process
-ior pertaining to
ipsi- same
ir- in
ir/o iris (colored portion of eye)
irid/o iris (colored portion of eye)
is/o same; equal
isch/o to hold back; back
ischi/o ischium (part of hip bone)
-ism process; condition
-ist specialist
ithy- erect, straight
-itis inflammation
-ium structure; tissue
ixod/i ticks
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