GlobalRPh Medical Terminology Section- Letter I
Medical terminology is used to precisely describe the human body components, processes, illnesses, medical procedures, and pharmacology. Medical terms are used in the field of medicine, and clinical settings. This section deals with all med terms beginning with the letter I, and features medical roots, prefixes and suffixes. Introduction to Medical Terminology.
Medical Terminology - Letter I
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-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, chemical, chemical compound
-ine
a substance, chemical, chemical compound
-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
Word Building and Medical Terms beginning with the letter I
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I
idiopathic
Prefix:
Prefix Definition:
1st Root Word: idi/o
1st Root Definition: unknown; individual; distinct
2nd Root Word:
2nd Root Word Definition:
Suffix: -ic
Suffix Definition: pertaining to
Definition: pertaining to of unknown cause
ileocecal valve
Prefix:
Prefix Definition:
1st Root Word: ile/o
1st Root Definition: ileum
2nd Root Word: cec/o
2nd Root Word Definition: cecum (first part of the colon)
Suffix: -al
Suffix Definition: pertaining to
Definition: pertaining to the valve between the ileum of the small intestine
and the cecum of the large intestine
interarticular
Prefix: inter-
Prefix Definition: between
1st Root Word: articul/o
1st Root Definition: joint
2nd Root Word:
2nd Root Word Definition:
Suffix: -ar
Suffix Definition: pertaining to
Definition: between joints
intercostal
Prefix: inter-
Prefix Definition: between
1st Root Word: cost/o
1st Root Definition: rib
2nd Root Word:
2nd Root Word Definition:
Suffix: -al
Suffix Definition: pertaining to
Definition: pertaining to between the ribs
intravenous
Prefix: intra-
Prefix Definition: within; into
1st Root Word: ven/o
1st Root Definition: vein
2nd Root Word:
2nd Root Word Definition:
Suffix: -ous
Suffix Definition: pertaining to
Definition: present; taking place within; administered into a vein(s)
ipsilateral
Prefix: ipsi-
Prefix Definition: same
1st Root Word: later/o
1st Root Definition: side
2nd Root Word:
2nd Root Word Definition:
Suffix: -al
Suffix Definition: pertaining to
Definition: belonging to; occurring on the same side of the body
iridectomy
Prefix:
Prefix Definition:
1st Root Word: irid/o
1st Root Definition: iris (colored portion of the eye)
2nd Root Word:
2nd Root Word Definition:
Suffix: -ectomy
Suffix Definition: removal; excision; resection
Definition: surgical removal of part of the iris
ischemia
Prefix:
Prefix Definition:
1st Root Word: isch/o
1st Root Definition: to hold back; back
2nd Root Word:
2nd Root Word Definition:
Suffix: -emia
Suffix Definition: blood condition
Definition: insufficient blood supply to an organ or part of the body
ischioanal
Prefix:
Prefix Definition:
1st Root Word: ischi/o
1st Root Definition: ischium (part of hip bone)
2nd Root Word:
2nd Root Word Definition:
Suffix: -al
Suffix Definition: pertaining to
Definition: pertaining to the ischium
isotonic
Prefix:
Prefix Definition:
1st Root Word: is/o
1st Root Definition: same; equal
2nd Root Word: ton/o
2nd Root Word Definition: tension
Suffix: -ic
Suffix Definition: pertaining to
Definition: pertaining to having equal tension
isotropic
Prefix:
Prefix Definition:
1st Root Word: is/o
1st Root Definition: same; equal
2nd Root Word:
2nd Root Word Definition:
Suffix: -tropic
Suffix Definition: turning; changing
Definition: equal values when measured in all directions
Increasing your understanding of medical terminology
Additional references:
Word Building Reference- This resource strengthens your understanding of medical terminology. See how common medical terms are created using the various prefixes, suffixes, and root words.
Medical Terminology Intuitive Section 
This section was developed for 'speed learning' of medical terminology. Start by reviewing the meanings for a block of medical terms, and then go back and choose a previous term randomly and try to recall the meaning of that particular medical term before hovering over the term to determine the answer. These frequent mini-tests will accelerate the learning process and in a relatively short period of time, you will be able to quickly recall the meaning of all of the listed medical terms. This method of learning is superior to flash cards because of the frequent exposure and testing of your recall.
