| Term | Definition |
| bi/o | life |
| carcin/o | cancer |
| cardi/o | heart |
| chem/o | chemical |
| cis/o | to cut |
| dermat/o | skin |
| enter/o | small intestine |
| gastr/o | stomach |
| gynec/o | female |
| hemat/o | blood |
| immun/o | protection |
| laryng/o l | larynx |
| nephr/o | kidney |
| neur/o | nerve |
| ophthalm/o | eye |
| ot/o | ear |
| path/o | disease |
| pulmon/o | lung |
| rhin/o | nose |
| a- | without
ex. aphasia (without speech) |
| an- | without
ex. anoxia (without oxygen) |
| anti- | against
ex. antibiotic (against life) |
| auto- | self
ex. autograft (a graft from one’s own
body) |
| brady- | slow
ex. bradycardia (slow heartbeat) |
| de- | without
ex. depigmentation (without pigment) |
| dys- | painful; difficult; abnormal
ex. dysuria (painful urination); dyspnea (difficulty breathing); dystrophy (abnormal
development) |
| endo- | within; inner
ex. endoscope (instrument to view within);
endocardium (inner lining of heart) |
| epi- | above
ex. epigastric (above the stomach) |
| eu- | normal
ex. eupnea (normal breathing) |
| ex- | outward
ex. exostosis (condition of outward, or projecting, bone) |
| extra- | outside of
ex. extracorporeal (outside of the body) |
| hetero- | different
ex. heterograft (graft [like a skin graft] from
another species) |
| homo- | same
ex. homograft (graft [like a skin graft] from
the same species) |
| hyper- | excessive
ex. hypertrophy (excessive development) |
| hypo- | below; insufficient
ex. hypodermic (below the skin);
hypoglycemia (insufficient blood sugar) |
| in- | not; inward
ex. infertility (not fertile); inhalation
(to breathe in) |
| inter- | between
ex. intervertebral (between the vertebrae) |
| intra- | within
ex. intravenous (within a vein) |
| macro- | large
ex. macrotia (having large ears) |
| micro- | small
ex. microtia (having small ears) |
| neo- | new
ex. neonatology (study of the newborn) |
| para- | beside; abnormal; two like
parts of a pair
ex. paranasal (beside the nose);
paresthesia (abnormal sensation);
paraplegia (paralysis of two like parts
of a pair [the legs]) |
| per- | through
ex. percutaneous (through the skin) |
| peri- | around
ex. pericardial (around the heart) |
| post- | after
ex. postpartum (after birth) |
| pre- | before
ex. preoperative (before a surgical
operation) |
| pro- | before
ex. prolactin (before milk) |
| pseudo- | false
ex. pseudocyesis (false pregnancy) |
| re- | again
ex. reinfection (to infect again) |
| retro- | backward; behind
ex. retrograde (to move backward);
retroperitoneal (behind the peritoneum) |
| sub- | under
ex. subcutaneous (under the skin) |
| tachy- | fast
ex. tachycardia (fast heartbeat) |
| trans- | across
ex. transurethral (across the urethra) |
| ultra- | beyond
ex. ultrasound (beyond sound
[high-frequency sound waves]) |
| un- | not
ex. unconscious (not conscious) |
| bi- | two |
| hemi- | half |
| mono- | one |
| multi- | many |
| nulli- | none |
| pan- | all |
| poly- | many |
| quadri- | four |
| semi- | partial |
| tetra- | four |
| tri- | three |
| -algia | pain |
| -cele | protrusion |
| -cyte | cell |
| -dynia | pain |
| -ectasis | dilation |
| -gen | that which produces |
| -genic | producing |
| -ia | condition |
| -iasis | abnormal condition |
| -ism | state of |
| -itis | inflammation |
| -logist | one who studies |
| -lody | study of |
| -lytic | destruction |
| -malacia | abnormal softening |
| -megaly | enlarged |
| -oma | tumor, mass |
| -opsy | view of |
| -osis | abnormal condition |
| -pathy | disease |
| -plasm | formation |
| -plegia | paralysis |
| -ptosis | drooping |
| -rrhage | abnormal flow |
| -rrhagia | abnormal flow condition |
| -rrhea | discharge |
| -rrhexis | rupture |
| -sclerosis | hardening |
| -stenosis | narrowing |
| -therapy | treatment |
| -trophy | development |
| -ac | pertaining to |
| -al | pertaining to |
| -an | pertaining to |
| -ar | pertaining to |
| -ary | pertaining to |
| -atic | pertaining to |
| -eal | pertaining to |
| -iac | pertaining to |
| -ic | pertaining to |
| -ical | pertaining to |
| -ile | pertaining to |
| -ine | pertaining to |
| -ior | pertaining to |
| -nic | pertaining to |
| -ory | pertaining to |
| -ose | pertaining to |
| -ous | pertaining to |
| -tic | pertaining to |
| -centesis | puncture to withdraw
fluid |
| -ectomy | surgical removal |
| -ostomy | surgically create an
opening |
| -otomy | cutting into |
| -pexy | surgical fixation |
| -plasty | surgical repair |
| -rrhaphy | to suture |
| -tome | instrument to cut |
| -gram | record |
| -graphy | process of recording |
| -meter | instrument for measuring |
| -metry | process of measuring |
| -scope | instrument for viewing |
| -scopic | pertaining to visually
examining |
| -scopy | process of visually
examining |
