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Word Parts and Structural Terms
Word Parts and Structural Terms
Combining Forms
angi/o: vessel, blood vessel
aort/o: aorta
arteri/o: artery
ather/o: fatty plaque
cyt/o: cell
hemat/o: blood
hem/o: blood
isch/o: deficiency, blockage
lymph/o: lymph, lymph tissue
lymphaden/o: lymph node, lymph tissue
myel/o: bone marrow, spinal cord
phleb/o: vein
plasm/o: plasma
therm/o: heat
thromb/o: clot
thym/o: thymus gland
splen/o: spleen
ven/o: vein
Prefixes
a-: absence of, without
endo-: within, in
epi-: on, upon, over
hypo-: below, deficient
hyper-: above, excessive
inter-: between
pan-: all, total
peri-: surrounding, around
poly-: many, much
Suffixes
-ac: pertaining to (adjective)
-apheresis: removal (noun)
-ar: pertaining to (adjective)
-centesis: surgical puncture to aspirate fluid (noun)
-ectomy: excision, surgical removal (noun)
-emia: in the blood (noun)
-genic: producing, originating, causing (adjective)
-gram: record, radiographic image (noun)
-graph: instrument used to record (noun)
-graphy: process of recording, radiographic imaging (noun)
-ia: condition of, diseased state, abnormal state (noun)
-ic: pertaining to (adjective)
-itis: inflammation (noun)
-logist: specialist, physician who studies and treats (noun)
-logy: specialty (noun)
-lysis: loosening, dissolution, separating (noun)
-megaly: enlarged, enlargement (noun)
-oma: tumor (noun)
-osis: abnormal condition (noun)
-tomy: cut into, incision (noun)
-ous: pertaining to (adjective)
-pathy: disease (noun)
-penia: abnormal reduction in number (noun)
-pexy: surgical fixation, suspension (noun)
-plasty: surgical repair (noun)
-poiesis: formation (noun)
-sclerosis: hardening (noun)
-stenosis: narrowing, constriction (noun)
-scope: instrument used to view (noun)
-scopy: process of viewing (noun)
-stasis: stop, stopping, controlling (noun)
-stenosis: narrowing, constriction (noun)
Structural Terms Built from Word Parts
arterial: pertaining to the arteries
intravenous: pertaining to within the veins
venous: pertaining to the veins