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PSR terminology
suffixes/root word/plural forms
| Term | Definition |
|---|---|
| -ac, -al, -ar, -ry, -eal, -ic, -ose, -ous, -tic | pertaining to |
| -cyte | cell |
| -e | noun marker, (indicates this form of the word is a noun) |
| -gram | record |
| -graph | instrument for recording |
| -graphy | process of recording |
| -meter | instrument for measuring |
| -metry | process of measuring |
| -iatric | treatment |
| -iatry, -logy | study of |
| -logist | one who specializes in the study of |
| -icle, -ole, -ula | small |
| -ium/-eum | tissue or structure |
| -ize, -ate | make; use; subject to |
| -or | one who |
| -poiesis | formation |
| -scope | instrument for examining |
| -scopy | examination |
| -stasis | stop or stand |
| -blast | immature |
| -algia, -dynia | pain |
| -cele | pouch, sac, or hernia |
| -emesis | vomit |
| -emia | condition of blood |
| -form, -oid | like or resembling |
| -genic | beginning, origin, or |
| -genesis | production |
| -ia, -ism, | condition of |
| -iasis | formation of; presence of |
| -itis | inflammation |
| -lysis | breaking down |
| -malacia | softening |
| -megaly | enlargement |
| -oma | tumor |
| -osis | condition |
| -penia | abnormal reduction; lack of |
| -phage, -phagia, -phagy | eat; devour |
| -phile, -philia | attraction for; love for |
| -phobia | fear of |
| -plasia | formation |
| -pnea | breathing |
| -ptosis | drooping; falling or downward displacement |
| -rrhage, -rrhagia, -rrhagic | to burst forth |
| -rrhea | discharge or flow |
| -rrhexis | rupture or breaking |
| -spasm | involuntary contraction |
| -trophy | development |
| -y | condition or process of |
| -centesis | puncture to remove fluid |
| -desis | binding |
| -ectomy | excision; surgical removal |
| -pexy | surgical suspension or fixation |
| -plasty | surgical repair of reconstruction |
| -rrhapy | suture |
| -stomy | surgical creation of an artificial opening |
| -tomy | incision |
| -tripsy | crushing |
| Plural Forms**** | |
| apex | -ex/-ices apices |
| appendix | -ix/-ices appendices |
| bacterium | -ium/-ia bacteria |
| cardiopathy | -y/-ies cardiopathies |
| condyloma | -a/-ata condylomata |
| diagnosis | -is/-es diagnoses |
| fungus | -us/-i fungi |
| phenomenon | -on/-a phenomena |
| thorax | -ax/-a thoraces |
| vertebra | -a/-ae vertebrae |
| Root Words**** | |
| abdomin- | abdomin/o abdomen |
| angi- | angi/o vessel |
| bacteri- | bacteri/o bacteria |
| bi- | bi/o life |
| carcin- | carcin/o cancer; cancerous |
| cardi- | cardi/o heart |
| cephal- | cephal/o head |
| cyst- | cyst/o sac or cyst containing fluid; urinary bladder |
| cyt- | cyt/o cell |
| electr- | electr/o electricity |
| enter- | enter/o intestines |
| fibrin- | fibrin/o fibrin |
| gnath- | gnath/o jaw |
| gynec- | gynec/o woman, female |
| hem- | hem/o blood |
| hemat- | hem/o blood |
| hepat- | hepat/o liver |
| irid- | irid/o iris |
| kerat- | kerat/o keratin (a protein) |
| lip- | lip/o fat |
| mast- | mast/o breast |
| necr- | necr/o death |
| nephr- | nephr/o kidney |
| onc- | onc/o tumor |
| path- | path/o disease |
| pelv- | pelv/o pelvic |
| radi- | radi/o x-ray |
| ren- | ren/o renal, the kidney |
| sarc- | sarc/o flesh |
| sial- | sial/o saliva, salivary glands |
| thromb- | thromb/o clot |
| trache- | trache/o trachea |
| uter- | uter/o uterus |