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Prefixes & Suffixes
Medical prefixes and suffixes A thru H
| Term | Definition |
|---|---|
| a, an | without ... Prefix |
| anencephalic | without a brain |
| ab | away from ... Prefix Also abbreviation for antibody |
| abduction | away from, rotate |
| ad | toward ... Prefix Also abbreviation for: auris dexter, right ear ad lib - freely as desired |
| adduction | toward, rotate |
| ADA | Also abbreviation for American Dental Association |
| algia | pain ... prefix or suffix, mostly suffix |
| Ante | before; wall part ... prefix or suffix |
| antepartum | before birth |
| Synonyms of Ante - before; wall part | pre-, pro- |
| Anti | against....prefix |
| antibacterial | against bacteria |
| bi | two, double ... Prefix |
| bilaterial | two sides |
| Synonyms for Bi | bis-, di- |
| brady | slow ... Prefix |
| bradycardia | slow heartbeat |
| circum | around ... Prefix |
| circumrenal | around the kidney |
| Synonym for Circum | peri- |
| Co, Con | together ... Prefix or Suffix |
| concentric | together center; same center |
| Symbol for CO: | carbon monoxide; cobalt; coccygeal |
| de | down or away from Prefix or Suffix |
| dehydrate | away from hydration |
| desis | binding; fixation of Prefix or Suffix (mostly suffix) |
| arthodesis | surgical fixation of a joint |
| Dia | through Prefix or Suffix |
| diaplacental | through the placenta |
| Dys | difficult; abnormal Prefix or Suffix |
| dysemia | abnormal blood |
| Synonyms for Dys | un-, mis-, dis- |
| ecto | outside Prefix |
| ectocornea | outer layer of the cornera |
| Synonyms for Ecto | ect-, exo- |
| Ectomy | excision Prefix or Suffix (mostly suffix) |
| Synonym for Ectomy | -tomy |
| endo | within ... Prefix |
| endogastric | within the stomach |
| Synonym for Endo | ento- |
| Epi | outer, on top of, over Prefix |
| epigastric | top of stomach |
| exo | away from ... Prefix |
| exophthalmos | eyes bulging away from |
| Syn for Exo | ecto- |
| extra | outside, beyond Prefix or Suffix |
| extrasensory | beyond senses Prefix or Suffix |
| Syn for extra | peri- |
| Ferro | iron ... Prefix |
| ferrokinetics | study of iron metabolism |
| Fore | before ... Prefix or Suffix |
| forehead | before head |
| form | shape of Prefix or Suffix |
| reniform | kidney shaped |
| syn for form | -oid, morpho- |
| graphy | writing, record Prefix or Suffix |
| graphospasm | writer's cramp |
| syn for graphy | -gram. |
| Hemi | half ... Prefix |
| hemiparesis | paralyis to one half of the body Prefix |
| syn of hemi | semi- |
| hydra, hydro | water ... Prefix |
| hydrophobia | water, afraid of |
| Syn of Hydra, Hydro | hydr-; a hydatid |
| hyper | above - prefix |
| hypertension | high tension |
| hypo | below ... prefix |
| hypothermic | beflow temperature |