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Medical Terminology
| Term | Definition |
|---|---|
| A-,An- | without, lack of |
| Ab- | from, away |
| Ad- | to, toward, near |
| Ana- | up, back, again |
| Ante- | before, in front of, ahead of |
| Anti- | against |
| Append- | appendix |
| Bi-,Bin- | twice, double, both |
| Brady- | slow |
| Contra- | against, counter |
| Di- | double, twice |
| Dis- | separation, away from |
| Ecto-,Exo- | outside, external |
| Endo- | within, intermost |
| Epi- | upon, over,upper |
| Erythr- | red |
| Glyc- | sugar |
| Hyper- | excessive, high, over, increased, more than normal |
| Hypo- | decreased, deficient, low, less than normal |
| Im- | not |
| Infra- | beneath, below |
| Inter- | between, among |
| Intra- | within, into, inside |
| Iso- | equal, alike, same |
| Macro- | large |
| Mal- | bad, abnormal, disordered, poor |
| Meso- | middle |
| Meta- | change |
| Micro- | small |
| Mono- | one, single |
| Multi- | many, much, a large amount |
| Mut- | after |
| Neo- | new |
| Para- | near, beside, beyond, abnormal, lower half of the body |
| Patho- | disease, abnormal, condition |
| Peri- | around |
| Poly- | many, much |
| Post- | after, behind |
| Pre- | before, in front of |
| Pseudo- | false |
| Re- | back, again |
| Retro- | backward, in back, behind |
| Semi- | half, part |
| Sub- | less, under, below |
| Super- | above, upon, over, higher in position |
| Syn- | joined, fused, together |
| Tachy- | rapid, fast |
| Tetra- | four |
| Trans- | across, over ,beyond |
| Tri- | three |
| Ultra- | beyond, excess |
| Uni- | one |
| -al | like, similar, pertaining to |
| -ase | enzyme |
| -blast | germ/embryonic cell |
| -centesis | surgical puncture to remove fluid |
| -cidal | causing death |
| -clast | broken |
| -crit | to separate |
| -cyte | cell |
| -ectomy | surgical removal of |
| -emia | blood |
| -emesis | vomit |
| -gen, -gensis, -genic | origin, producing, causing |
| -gila | glue |
| -gram | tracing, picture, record |
| -ia | condition of, abnormal/pathological state |
| -iac, -ic, -ior | pertaining to |
| -ism | condition, theory, state of being |
| -itia, -itis | inflammation, inflammation of |
| -logy | study of, science of |
| -lyte | dissolvable |
| -lytic | destroy, reduce |
| -mania | insanity, mental disorder |
| -megaly | large, enlarged |
| -meter | measuring, measure instrument |
| -odia | smell |
| -ologist | person who does/studies |
| -oma | tumor |
| -opia | vision |
| -opsy | to view |
| -orrhea | flow, discharge |
| -orrhexis | rupture |
| -osis | condition, state, process |
| -ostomy | creation of an artificial opening |
| -otomy | cutting into |
| -oxia | hardening |
| -pathy | disease |
| -sclerosis | dryness or hardness |
| -scope | examining instrument |
| -sepsis | infection |
| -spasm | involuntary contraction |
| -stasis | maintaining a constant level |
| -tomy | cut into or incision |
| -tropic | influencing |
| Seb | sebaceous gland |
| Cutane. dermal, derm | skin |
| Hidr | sweat glands |
| Pil | hair |
| Oste, oss, ost | bones |
| Chondr, | cartilage |
| Arthr | joints |
| Ligament | ligaments |
| Myel | bone marrow |
| Fasci | fascia |
| My | muscles |
| Ten, Tend, Tendin | tendons |
| Encephal | brain |
| Acoust, Ot | ears |
| Ocul, Ophtalm | eyes |
| Neur | nerves |
| Myel | brain |
| Arteri | arteries |
| Hemat | blood |
| Card, Cardi | heart |
| Phleb, Ven | veins hem |
| Capill | capillaries |
| Lymph | lmph |
| Splen | spleen |
| Thym | thymus |
| Tonsil | tonsils |
| AA | acute appendicitis |
| a.c. | before meals |
| AD, a.d. | Alzheimer's disease, right ear |
| ad lib | freely |
| am, AM | morning |
| AS, a.s. | left ear |
| AU, a.u. | each ear |
| BE | barium enema |
| BID, b.i.d., bid | twice per day |
| BP | blood pressure |
| BR | bedrest |
| BPR | bathroom privileges |
| BM | bowel movement |
| Bx | biopsy |
| C(with line above it) | with |
| CA, Ca | coronary artery |
| cap | capsule |
| disc, DC, d.c. | discontinue |
| DNR | do not resuscitate |
| Dx, dx | diagnosis |
| ED | erectile dysfunction |
| ER | emergency room |
| Fx, fx | function, fracture |
| g, gm | gram |
| gt, gtt | drops |
| h.s. | half strength |
| Ht, ht | height |
| inj | injection |
| I and O, I/O | intraosseous infusion |
| IV | intravenous |
| K+,K | potassium |
| mg | magnesium |
| N&V | nausea and vomiting |
| Na+, Na | sodium |
| NC | nasal cannula |
| NPO | nothing by mouth |
| NPO p MN | nothing by mouth after midnight |
| oint, ung | ointment |
| OOB | out of bed |
| OTC | over the counter |
| oz | ounce |
| P | melting point |
| p.c. | after meals |
| pH | hydrogen ion concentration |
| PM, p.m. | afternoon |
| PO, po, p.o. | orally |
| PRN | as needed |
| q.am | everyday before home |
| q.h. | every hour |
| q.i.d. | four times a day |
| QNS | quantity not sufficient |
| q.s. | as much as needed |
| r, R | respiration |
| Rx | to take |
| S(with line above) | without |
| SOB | shortness of breath |
| ss | a half |
| stat | immediately |
| syr | syrup |
| susp | suspension |
| sup,supp | superior |
| T | temperature |
| tab | tablet |
| tbsp | tablespoon |
| TID, t.i.d. | three times a day |
| TPR | temperature, pulse, and respiration |
| tsp | teaspoon |
| Tx | treatment |
| VS | volumetric solution, vital signs, vesicular sound |
| W/C, w/c | wheelchair |