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MEDICAL TERMINOLOGY
MEDICAL TERMINOLOGY - A THRU Z PREFIX LIST
| Question | Answer |
|---|---|
| a- | no; not; without |
| an- | no; not; without |
| ab- | away from |
| abdomin/o | abdomen |
| -ac | pertaining to |
| acanth/o | spiny; thorny |
| acar/o | mites |
| acetabul/o | acetabulum (hip socket) |
| acous/o | hearing |
| acoust/o | hearing, sound |
| acr/o | extremities; top; extreme point |
| acromi/o | acromion (extension of shoulder bone) |
| actin/o | light |
| acu/o | sharp; severe; sudden |
| -acusis | hearing |
| ad- | toward |
| -ad | toward |
| aden/o | gland |
| adenoid/o | adenoids |
| adip/o | fat |
| adren/o | adrenal gland |
| adrenal/o | adrenal gland |
| aer/o | air |
| af- | toward |
| agglutin/o | clumping; sticking together |
| -agogue | producer, leader |
| -agon | to assemble; gather |
| agora- | marketplace |
| -agra | excessive pain |
| -al | pertaining to |
| alb/o | white |
| albin/o | white |
| albumin/o | albumin (protein) |
| alges/o | sensitivity to pain |
| -algesia | sensitivity to pain |
| -algia | pain |
| all/o | other |
| alveol/o | alveolus; air sac; small sac |
| ambi- | around, on both sides, about |
| ambly/o | dim; dull |
| amphi- | around, on both sides |
| -amine | nitrogen compound |
| ammon/o | ammonium |
| amni/o | amnion (sac surrounding the embryo) |
| amyl/o | starch |
| an/o | anus |
| -an | pertaining to |
| ana- | up; apart; backward; again; anew |
| andr/o | male |
| aneurysm/o | aneurysm (widening of blood vessel) |
| angi/o | vessel (blood) |
| anis/o | unequal |
| ankyl/o | stiff |
| ante- | before; forward |
| anter/o | front |
| anthrac/o | coal |
| anthr/o | antrum of the stomach |
| anti- | against |
| anxi/o | uneasy; anxious |
| aort/o | aorta (largest artery) |
| -apheresis | removal |
| aphth/o | ulcer |
| apo- | off; away |
| aponeur/o | aponeurosis (type of tendon) |
| append/o | appendix |
| appendic/o | appendix |
| aque/o | water |
| -ar | pertaining to |
| arachn/o | spider |
| -arche | beginning |
| arsenic/o | arsenic |
| arter/o | artery |
| arteri/o | artery |
| arteriol/o | arteriole (small artery) |
| arthr/o | joint |
| -arthria | articulate (speak distinctly) |
| articul/o | joint |
| -artresia | closure, occlusion |
| atreto- | closed, lacking an opening |
| -ary | pertaining to |
| asbest/o | asbestos |
| -ase | enzyme |
| aspir/o | removal |
| -assay | to examine, analyze |
| -asthenia | lack of strength |
| astr/o | star, star-shaped |
| aque/o | water |
| atel/o | incomplete |
| ather/o | plaque (fatty substance) |
| -ation | process; condition |
| atri/o | atrium (upper heart chamber) |
| atmo- | steam, vapor |
| audi/o | hearing |
| audit/o | hearing |
| aur/o | ear |
| auricul/o | ear |
| auscult/o | to listen |
| aut/o | self; own |
| aut- | self; own |
| auto- | self; own |
| aux/o | growth, acceleration |
| axill/o | armpit |
| axi/o | axis |
| azot/o | urea; nitrogen |
| bacill/o | bacilli (bacteria) |
| bacteri/o | bacteria |
| balan/o | glans penis |
| bar/o | pressure; weight |
| bartholin/o | Bartholin glands |
| bary- | weight, pressure |
| -basia | walking |
| bas/o | base; opposite of acid |
| batho-, bathy- | deep, depth |
| bi- | two |
| bi/o | life |
| bil/i | bile; gall |
| bilirubin/o | bilirubin |
| -blast | embryonic; immature cell |
| -blastoma | immature tumor (cells) |
| blenn/o | mucus |
| blephar/o | eyelid |
| bol/o | cast; throw |
| -boulia | will |
| brachi/o | arm |
| brachy- | short |
| brady- | slow |
| brom/o | bromine-containing compound, odor |
| bronch/o | bronchial tube |
| bronchi/o | bronchial tube |
| bronchiol/o | bronchiole |
| bucc/o | cheek |
| bunion/o | bunion |
| burs/o | bursa (sac of fluid near joints) |
| byssin/o | cotton dust |
| caud/o | tail; lower part of body |
| caus/o | burn; burning |
| cauter/o | heat; burn |
| cav/o, cavit/o | hollow, cavity |
| cec/o | cecum (first part of colon) |
| -cele | hernia |
| celi/o | belly; abdomen v |
| -centesis | surgical puncture to remove fluid |
| centr/o | center |
| cephal/o | head |
| cerebell/o | cerebellum (posterior part of the brain) |
| cerebr/o | cerebrum (largest part of the brain) |
| cerumin/o | cerumen |
| cervic/o | neck; cervix (neck of uterus) |
| -chalasia | relaxation |
| -chalasis | relaxation |
| cheil/o | lip |
| chem/o | drug; chemical |
| -chezia | defecation; elimination of wastes |
| chir/o | hand |
| chlor/o | green |
| chlorhydr/o | hydrochloric acid |
| chol/e | bile; gall |
| cholangi/o | bile; vessel |
| cholecyst/o | gallbladder |
| choledoch/o | common bile duct |
| cholesterol/o | cholesterol |
| chondr/o | cartilage |
| chore/o | dance |
| chori/o | chorion (outermost membrane of the fetus) |
| chorion/o | chorion |
| choroid/o | choroid layer of eye |
| -chroia | skin coloration |
| chrom/o | color |
| chron/o | time |
| chrys/o | gold |
| chyl/o | chyle |
| chym/o | to pour |
| cib/o | meal |
| -cide | killing |
| -cidal | pertaining to killing |
| cine/o | movement |
| circum- | around |
| cirrh/o | orange-yellow |
| cis/o | to cut |
| -clasis | to break |
| -clast | to break |
| claustr/o | enclosed space |
| clavicul/o | clavicle (collar bone) |
| cleid/o | clavicle |
| clin/o | to slope, bend |
| -clysis | irrigation; washing |
| coagul/o | coagulation (clotting) |
| -coccus | berry-shaped bacterium |
| coccyg/o | coccyx (tail bone) |
| cochle/o | cochlea (inner part of ear) |
| -coimesis | sleeping |
| col/o | colon (large intestine) |
| coll/a | glue |
| colon/o | colon (large intestine) |
| colp/o | vagina |
| comat/o | deep sleep |
| comi/o | to care for |
| -coma | deep sleep |
| con- | together; with |
| coni/o | dust |
| conjunctiv/o | conjuctiva (lines of eyelids) |
| consci/o | awareness, aware |
| constrict/o | narrowing, binding |
| -constriction | narrowing |
| contra- | against; opposite |
| contus/o | to bruise |
| cor/o | pupil |
| core/o | pupil |
| corne/o | cornea |
| "coron/o | crown or circle (example: Coron/ary arteries encircle |
| the heart)" | |
| corpor/o | body |
| cortic/o | cortex, outer region |
| cost/o | rib |
| cox/o | hip |
| crani/o | skull |
| cras/o | mixture; temperament |
| crin/o | secrete |
| -crine | to secrete; separate |
| -crit | to separate |
| critic/o | crisis, dangerous |
| cry/o | cold |
| crypt/o | hidden |
| cubit/o | elbow, forearm |
| culd/o | cul-de-sac |
| cupr/o | copper |
| -cusis | hearing |
| cutane/o | skin |
| cyan/o | blue |
| cycl/o | ciliary body of eye; cycle; circle |
| -cyesis | pregnancy |
| cyst/o | urinary bladder; cyst; sac of fluid |
| cyt/o | cell |
| -cyte | cell |
| -cytosis | condition of cells; slight increase in numbers |
| dacry/o | tear |
| dacryoaden/o | tear gland |
| dacryocyst/o | tear sac; lacriman sac |
| dactyl/o | fingers; toes |
| de- | lack of; down; less; removal of |
| dem/o | people |
| dent/i | tooth |
| derm/o | skin |
| -derma | skin |
| dermat/o | skin |
| desicc/o | drying |
| -desis | to bind; tie together |
| dextr/o | right |
| dia- | complete; through |
| diaphor/o | sweat |
| -dilation | widening; stretching; expanding |
| dilat/o | to enlarge, expand |
| dipl/o | double |
| dips/o | thirst |
| dis- | apart, to separate |
| dist/o | far; distant |
| dolich/o | long |
| dolor/o | pain |
| dors/o | back (of body) |
| dorsi- | back |
| -dote | to give |
| -drome | to run |
| duct/o | to lead; carry |
| duoden/o | duodenum |
| dur/o | dura mater |
| dynam/o | power, strength |
| -dynia | pain |
| dys- | bad: painful: difficult: abnormal |
| encephal/o | brain |
| end- | in; within |
| endo- | in; within |
| enter/o | intestines (usually small intestine) |
| eosin/o | red; rosy; dawn-colored |
| epi- | above; upon; on |
| epididym/o | epididymis |
| epiglott/o | epiglottis |
| episi/o | vulva |
| epitheli/o | skin; epithelium |
| equi- | equality, equal |
| equin/o | horse |
| -er | one who |
| erg/o | work |
| erethism/o | irritation |
| erythem/o | flushed; redness |
| erythr/o | red |
| eschar/o | scab |
| -esis | action; condition; state of |
| eso- | inward |
| esophag/o | esophagus |
| esthes/o | nervous sensation |
| esthesi/o | nervous sensation |
| -esthesia | nervous sensation |
| estr/o | female |
| ethm/o | sieve |
| eti/o | cause |
| eu- | good; normal |
| -eurysm | widening |
| ex- | out; away from |
| exanthemat/o | rash |
| exo- | out; away from |
| extra- | outside |
| faci/o | face |
| -facient | to cause, make happen |
| fasci/o | fascia (membrane supporting muscles) |
| febr/i | fever |
| femor/o | femur (thigh bone) |
| -ferent | to carry |
| ferr/i, ferr/o | iron |
| fet/o | fetus |
| fibr/o | fiber |
| fibros/o | fibrous connective tissue |
| fibul/o | fibula |
| -fication | process of making |
| -fida | split |
| fil/i, fil/o, filament/o | thread, threadlike |
| five | pent-, penta-, quinque- |
| flav/o | yellow |
| flex/o | to bend |
| fluor/o | luminous |
| follicul/o | follicle; small sac |
| fore- | before, in front |
| -form | resembling; in the shape of |
| four | quadri, tetra- |
| fovea/o | small pit or depression |
| frig/o, frigid/o | cold |
| funct/o | performance |
| fung/i | fungus; mushroom (organism lacking chlorophyll) |
| furc/o | forking; branching |
| fusc/o | dark brown |
| -fusion | to pour; to come together |
| galact/o | milk |
| ganglion/o | ganglion; collection of nerve cell bodies |
| gastr/o | stomach |
| gel/o | to freeze, congeal |
| gemell/o | twins |
| -gen | substance that produces |
| -genesis | producing; forming |
| -genic | produced by or in |
| geni/o | chin |
| genit/o | reproduction |
| ge/o | earth, soil |
| ger/o | old age |
| geront/o | old age |
| gest/o | pregnancy |
| gester/o | pregnancy |
| gigant/o | huge |
| gingiv/o | gum |
| glauc/o | gray |
| gli/o | glial cells; neuroglial cells |
| -globin | protein |
| -globulin | protein |
| glomerul/o | glomerulus |
| gloss/o | tongue |
| gluc/o | glucose; sugar |
| glyc/o | glucose; sugar |
| glycogen/o | glycogen; animal starch |
| glycos/o | glucose; sugar |
| gnath/o | jaw |
| gnos/o | knowledge |
| gon/o | seed |
| gonad/o | sex glands |
| goni/o | angle |
| -grade | to go |
| -gram | record |
| granul/o | granule(s) |
| -graph | instrument for recording |
| graph/o | writing |
| -graphy | process of recording |
| gravid/o | pregnancy |
| -gravida | pregnant woman |
| gynec/o | woman; female |
| gyr/o | circle, spiral |
| half | demi, hemi, semi |
| hallucin/o | hallucination |
| hapl/o | simple, single |
| helc/o | ulcer |
| heli/o | sun |
| -helminth | worm |
| hem/o | blood |
| hemat/o | blood |
| hemi- | half |
| hemoglobin/o | hemoglobin |
| hepat/o | liver |
| heredo- | heredity |
| herni/o | hernia |
| -hexia | habit |
| hidr/o | sweat |
| hirsut/o | hairy |
| hirund/i | leech |
| hist/o | tissue |
| histi/o | tissue |
| holo- | entire, complete |
| home/o | sameness; unchanging; constant |
| hormon/o | hormone |
| hymen/o | hymen |
| humer/o | humerus |
| hydr/o | water |
| hygr/o | moisture |
| hyper- | above; excessive |
| hypn/o | sleep |
| hypo- | deficient; below; under; less than normal |
| hypophys/o | pituitary gland |
| hypothalam/o | hypothalamus |
| hypsi- | high |
| hyster/o | uterus; womb |
| -ia | condition |
| -iac | pertaining to |
| -iasis | abnormal condition |
| iatr/o | physician; treatment |
| -ic | pertaining to |
| -ical | pertaining to |
| ichthy/o | dry; scaly |
| -ician | specialist |
| -icle | small |
| ide/o | idea, mental images |
| idi/o | unknown; individual; distinct |
| ile/o | ileum |
| ili/o | ilium |
| immun/o | immune; protection; safe |
| in- | in; into; not |
| -in | a substance, chemical, chemical compound |
| -ine | a substance, chemical, chemical compound |
| -ine | pertaining to |
| infra- | below; inferior to; beneath |
| inguin/o | groin |
| insulin/o | insulin (pancreatic hormone) |
| inter- | between |
| intra- | within; into |
| iod/o | iodine |
| ion/o | ion; to wander |
| -ion | process |
| -ior | pertaining to |
| ipsi- | same |
| ir- | in |
| ir/o | iris (colored portion of eye) |
| irid/o | iris (colored portion of eye) |
| is/o | same; equal |
| isch/o | to hold back; back |
| ischi/o | ischium (part of hip bone) |
| -ism | process; condition |
| -ist | specialist |
| ithy- | erect, straight |
| -itis | inflammation |
| -ium | structure; tissue |
| ixod/i | ticks |
| juxta- | near |
| jaund/o | yellow |
| jejun/o | jejunum |
| kal/i | potassium |
| kary/o | nucleus |
| kel/o | tumor, fibrous growth |
| kerat/o | cornea; hard, horny tissue |
| keraun/o | lightning |
| kern- | nucleus (collection of nerve cells in the brain) |
| ket/o | ketones; acetones |
| keton/o | ketones; acetones |
| kines/o | movement |
| kinesi/o | movement |
| -kinesis | movement |
| klept/o | to steal |
| koil/o | hollow, concave, depressed |
| kraur/o | dry |
| kym/o | waves |
| kyph/o | humpback |
| -labile | unstable, perishable |
| labi/o | lip |
| lacrim/o | tear; tear duct; lacrimal duct |
| lact/o | milk |
| lal/o, -lalia | speech, babble |
| lamin/o | lamina |
| lampr/o | clear |
| lapar/o | abdominal wall; abdomen |
| -lapse | to slide, fall, sag |
| laryng/o | larynx (voice box) |
| later/o | side |
| lecith/o | yolk, ovum |
| lei/o | smooth |
| leiomy/o | smooth (visceral) muscle |
| -lemma | sheath; covering |
| lepid/o | plakes, scales |
| lepr/o | leprosy |
| -lepsy | seizure |
| lept/o | thin, slender |
| -leptic | to seize, take hold of |
| leth/o | death |
| leuk/o | white |
| levo- | left |
| lex/o | word; phrase |
| -lexia | word; phrase |
| lien/o | spleen |
| ligament/o | ligament |
| ligat/o | binding, tying |
| lim/o | hunger |
| lingu/o | tongue |
| lip/o | fat; lipid |
| -lipsis | omit, fail |
| -listhesis | slippage e.g. vertebral slippage conditions |
| lith/o | stone, calculus |
| -(o)lithiasis | Compound suffix:Â condition or presence of stones |
| -lithotomy | incision (for removal) of a stone |
| lob/o | lobe |
| logad/o | whites of the eyes |
| -logist | specialist |
| log/o | study |
| -logy | study (process of) |
| loph/o | ridge |
| lord/o | curve; swayback |
| lox/o | oblique, slanting |
| -lucent | to shine |
| lumb/o | lower back; loin |
| lumin/o | light |
| lute/o | yellow |
| lux/o | to slide |
| lymph/o | lymph |
| ly/o | to dissolve, loosen |
| lymphaden/o | limph gland (node) |
| lymphangi/o | lymph vessel |
| -lysis | breakdown; separation; destruction; loosening |
| -lytic | to reduce, destroy, separate; breakdown |
| macro- | large |
| mal- | bad |
| -malacia | softening |
| malleol/o | malleolus |
| mamm/o | breast |
| mandibul/o | mandible (lower jaw bone) |
| -mania | obsessive preoccupation |
| -masesis | mastication, chewing |
| mast/o | breast |
| mastoid/o | mastoid process (behind the ear) |
| maxill/o | maxilla (upper jaw bone) |
| meat/o | meatus (opening) |
| medi/o | middle |
| medic/o | to heal, healing |
| mediastin/o | mediastinum |
| medi/o | middle |
| medull/o | medulla (inner section); middle; soft, marrow |
| mega- | large |
| -megaly | enlargement |
| melan/o | black |
| mel/o | limb, limbs |
| men/o | menses; menstruation |
| mening/o | meninges (membranes covering the spinal cord & brain) |
| meningi/o | meninges |
| ment/o | mind; chin |
| mer/o | part |
| meso- | middle |
| meta- | change; beyond |
| metacarp/o | metacarpals (hand bones) |
| metatars/o | metatarsals (foot bones) |
| -meter | measure |
| method/o | procedure, technique |
| metr/o | uterus (womb); measure |
| metri/o | uterus (womb) |
| -metry | process of measuring |
| mi/o | smaller; less |
| micro- | small |
| -mimesis | imitation, simulation |
| -mimetic | mimic; copy |
| -mission | to send |
| -mnesia | memory |
| mogi- | difficult |
| mon/o | one; single |
| morph/o | shape; form |
| mort/o | death |
| -mortem | death |
| -motor | movement |
| muc/o | mucus |
| mucos/o | mucous membrane (mucosa) |
| multi- | many |
| muscul/o | muscle |
| mut/a | genetic change |
| mutagen/o | causing genetic change |
| my/o | muscle |
| myc/o | fungus |
| mydr/o | wide |
| myel/o | spinal cord; bone marrow |
| myocardi/o | myocardium (heart muscle) |
| myom/o | muscle tumor |
| myos/o | muscle |
| myring/o | tympanic membrane (eardrum) |
| myx/o | mucus |
| narc/o | numbness; stupor; sleep |
| nas/o | nose |
| nat/i | birth |
| natr/o | sodium |
| necr/o | death |
| nect/o | to bind, tie, connect |
| neo- | new |
| nephr/o | kidney |
| neur/o | nerve |
| neutr/o | neither; neutral; neutrophil |
| nid/o | nest |
| nine | noni- |
| noci- | to cause harm, injury or pain |
| noct/o | night |
| nod/o | knot |
| -noia | mind, will |
| nom/o | custom, law |
| nomen- | name |
| norm/o | rule; order |
| nos/o | disease |
| nucle/o | nucleus |
| nulli- | none |
| nutri/o, nutrit/o | to nourish |
| nyct/o | night |
| obstetr/o | pregnancy; birth |
| octa-, octi- | eight |
| ocul/o | eye |
| odont/o | tooth |
| odyn/o | pain |
| -oid | resembling; derived from |
| -ole | little; small |
| ole/o | oil |
| olecran/o | olecranon (elbow) |
| olig/o | scanty |
| om/o | shoulder |
| -oma | tumor; mass; fluid collection |
| omphal/o | umbilicus (navel) |
| onc/o | tumor |
| -one | hormone |
| one | mono, uni |
| one and a half | bi, di |
| onych/o | nail (of fingers or toes) |
| o/o | egg |
| oophor/o | ovary |
| -opaque | obscure |
| ophry/o | eyebrow |
| ophthalm/o | eye |
| -opia | vision condition |
| opisth/o | backward, behind |
| -opsia | vision condition |
| -opsy | view of |
| opt/o | eye; vision |
| optic/o | eye; vision |
| -or | one who |
| or/o | mouth |
| orch/o | testis |
| orchi/o | testis |
| orchid/o | testis |
| -orexia | appetite |
| organ/o | organ |
| orth/o | straight |
| osche/o | scrotum |
| -ose | full of; pertaining to; sugar |
| -osis | condition, usually abnormal |
| -osmia | smell |
| osphresi/o | sense of smell |
| ossicul/o | ossicle (small bone) |
| oste/o | bone |
| -ostosis | condition of bone |
| ot/o | ear |
| -otia | ear condition |
| -ous | pertaining to |
| ov/o | egg |
| ovari/o | ovary |
| ovul/o | egg |
| ox/o | oxygen |
| -oxia | oxygen |
| oxy- | swift; sharpp; acid |
| oxysm/o | sudden |
| pachy- | heavy; thick |
| -pagus | conjoined twins |
| palat/o | palate (roof of mouth) |
| pale/o | old |
| pali- | recurrence, repetition |
| palliat/o | to soothe, relieve |
| palpebr/o | eyelid |
| palp/o, palpat/o | to touch gently |
| palpit/o | flutter, throbbing |
| pan- | all |
| pancreat/o | pancreas |
| pant/o | all, whole |
| papill/o | nipple-like; optic disc |
| papul/o | papule, pimple |
| par- | other than; abnormal |
| para- | near; beside; abnormal; apart from; along the side of |
| -para | to bear, bring forth (live births) |
| -parous | to bear, bring forth |
| parasit/o | parasite |
| parathyroid/o | parathyroid glands |
| -paresis | weakness |
| -pareunia | sexual intercourse |
| -partum | birth; labor |
| patell/a | patella |
| patell/o | patela |
| path/o | disease |
| -pathy | disease; emotion |
| pector/o | chest |
| pedicul/o | louse |
| ped/o | child; foot |
| pelv/i | pelvis; hip region |
| pelv/o | pelvis; hip region |
| pend/o | to hang |
| -penia | deficiency |
| -pepsia | digestion |
| per- | through |
| percuss/o | to tap |
| peri- | surrounding |
| perine/o | perineum |
| peritone/o | peritoneum |
| per/o | deformed, maimed |
| perone/o | fibula |
| perspir/o | breathe through |
| petr/o | stone, petrous region of temporal bone |
| -pexy | fixation; to put in place |
| phac/o | lens of eye |
| phag/o | eat; swallow |
| -phage | eat; swallow |
| -phagia | eating; swallowing |
| phak/o | lens of eye |
| phalang/o | phalanges (of fingers and toes) |
| phall/o | penis |
| phaner/o | visible, apparent |
| pharmac/o | drug |
| pharmaceut/o | drug |
| pharyng/o | throat (pharynx) |
| phas/o | speech |
| -phasia | speech |
| phe/o | dusky; dark |
| -pheresis | removal |
| phil/o | like; love; attraction to |
| -phil | attraction for |
| -philia | attraction for |
| phim/o | muzzle |
| phleb/o | vein |
| phob/o | fear |
| -phobia | fear |
| phon/o | voice; sound |
| -phonia | voice; sound |
| -phor/o | to bear |
| -phoresis | carrying; transmission |
| -phoria | to bear, carry; feeling (mental state) |
| phosphat/o | phosphate |
| phot/o | light |
| phren/o | diaphragm; mind |
| -phthisis | wasting away |
| -phylaxis | protection |
| phyl/o | race, species, type |
| physi/o | nature; function |
| physic/o | physical, natural |
| -physis | to grow |
| phys/o | air, gas |
| phyt/o | plant |
| -phyte | plant |
| picr/o | bitter |
| pies/i, -piesis | pressure |
| pil/o | hair |
| pimel/o | fat, fatty |
| pineal/o | pineal gland |
| pin/o | to drink |
| pituitar/o | pituitary gland |
| -plakia | plaque |
| plan/o | flat, level, wandering |
| plant/o | sole of the foot |
| plas/o | development; formation |
| -plasia | development; formation |
| -plasm | formation; structure |
| -plastic | pertaining to formation |
| -plasty | surgical repair |
| platy- | broad, flat |
| ple/o | more; many |
| -plegia | paralysis; palsy |
| -plegic | paralysis; palsy |
| pleur/o | pleura |
| plex/o | plexus; network (of nerves) |
| -pnea | breathing |
| pneum/o | lung; air; gas |
| pneumon/o | lung; air; gas |
| pod/o | foot |
| -poiesis | formation |
| -poietin | substance that forms |
| poikil/o | varied; irregular |
| pol/o | extreme |
| polio- | gray matter (of brain or spinal cord) |
| poly- | many; much |
| polyp/o | polyp; small growth |
| pont/o | pons ( a part of the brain) |
| por/o, -pore | opening, passageway |
| -porosis | condition of pores (spaces) |
| -posia | drinking |
| posit/o | arrangement, place |
| post- | after; behind |
| poster/o | back (of body); behind |
| -prandial | meal |
| -praxia | action |
| pre- | before; in front of |
| presby/o | old age |
| primi- | first |
| pro- | before; forward |
| proct/o | anus and rectum |
| pros- | before; forward |
| pros/o | forward, anterior |
| prosop/o | face |
| prostat/o | prostate gland |
| prot/o | first |
| prote/o | protein |
| proxim/o | near |
| prurit/o | itching |
| psamm/o | sand, sand-like material |
| pseudo- | false |
| psor/o | itching |
| psych/o | mind |
| psychr/o | cold |
| -pterygium | abnormality of the conjunctiva |
| -ptosis | droop; sag; prolapse; protrude |
| ptyal/o | saliva |
| -ptysis | spitting |
| pub/o | pubis (anterior part of hip bone) |
| pulmon/o | lung |
| puls/o, pulsat/o | to beat, beating |
| -puncture | to pierce a surface |
| pupill/o | pupil (dark center of eye) |
| purpur/i | purple |
| purul/o | pus |
| py/o | pus |
| pycn/o | thick, dense |
| pyel/o | renal pelvis |
| pyl/e | portal vein |
| pylor/o | pylorus; pyloric sphincter |
| pyr/o | fever; fire |
| pyret/o | fever |
| pyrex/o | fever |
| quadri- | four, square |
| qual- | quality, characteristic |
| quant- | how much |
| quasi- | to some degree, as if |
| quart- | fourth, four |
| quer- | to seek, search |
| quercin | oak |
| quint- | fifth, five |
| quota- | how many |
| rachi/o | spinal column; vertebrae |
| radi/o | x-rays; radioactivity; radius (lateral lower arm bone) |
| radicul/o | nerve root |
| re- | back; again; backward |
| -receptor, -ceptor | receiver |
| rect/o | rectum |
| ren/o | kidney |
| respir/o | breath |
| resuscit/o | to revive |
| reticul/o | network |
| retin/o | retina |
| retro- | behind; back; backward |
| rhabd/o | rod |
| rhabdomy/o | striated (skeletal) muscle |
| rhe/o | flow, current, stream |
| rheumat/o | watery flow |
| rhin/o | nose |
| rhiz/o | root |
| rhod/o | red, rosy |
| rhytid/o | wrinkle |
| roentgen/o | x-rays |
| rose/o | rosy |
| rot/o, rotat/o | turn, revolve |
| -rrhage | bursting forth (of blood) |
| -rrhagia | bursting forth (of blood) |
| -rrhaphy | suture |
| -rrhea | flow; discharge |
| -rrhexis | rupture |
| rhythm/o | rhythm |
| rubr/o, rubr/i | red |
| sacchar/o | sugar |
| sacr/o | sacrum |
| salping/o | fallopian tube; auditory (eustachian) tube |
| -salpinx | fallopian tube; oviduct |
| sangu/i | blood |
| sanit/a | health |
| sapr/o | rotten, decay |
| sarc/o | flesh (connective tissue) |
| scapul/o | scapula; shoulder blade |
| -schisis | to split |
| schist/o | split, cleft |
| schiz/o | split |
| sinistr/o | left |
| scint/i | spark |
| scirrh/o | hard |
| scler/o | sclera (white of eye) |
| -sclerosis | hardening |
| scolec/o | worm |
| scoli/o | crooked; bent |
| -scope | instrument for visual examination |
| -scopy | visual examination |
| scot/o | darkness |
| seb/o | sebum |
| sebace/o | sebum |
| sect/o | to cut |
| semi- | half |
| semin/i | semen; seed |
| -sepsis | putrefaction |
| seps/o | infection |
| sept/o | partition |
| ser/o | serum, serous |
| seven | hepta-, sept-, septi- |
| sial/o | saliva |
| sialaden/o | salivary gland |
| sider/o | iron |
| sigmoid/o | sigmoid colon |
| silic/o | glass |
| sinus/o | sinus |
| -sis | state of; condition |
| sit/o | food |
| six | hex-, hexa-, sex- |
| skelet/o | skeleton |
| -sol | solution |
| somat/o | body |
| -some | body |
| somn/o | sleep |
| -somnia | sleep |
| son/o | sound |
| -spadia | to tear; cut |
| span/o | scanty, scarce |
| -spasm | sudden contraction of muscles |
| spectr/o | image, spectrum |
| sperm/o | spermatozoa; sperm cells |
| spermat/o | spermatozoa; sperm cells |
| sphen/o | wedge; sphenoid bone |
| spher/o | globe-shaped; round |
| sphygm/o | pulse |
| -sphyxia | pulse |
| splanchn/o | viscera (internal organs) |
| spin/o | spine (backbone) |
| spir/o | to breathe |
| splen/o | spleen |
| spondyl/o | vertebra (backbone) |
| squam/o | scale |
| -stalsis | contraction |
| staped/o | stapes (middle ear bone) |
| staphyl/o | clusters; uvula |
| -stabile | stable, fixed |
| -stalsis | contraction |
| staped/o | stapes |
| -stasis | to stop; control; place |
| -stat | device/instrument for keeping something stationary |
| -static | pertaining to stopping; controlling |
| steat/o | fat; sebum |
| sten/o | narrowed, constricted |
| -stenosis | tightening; stricture |
| ster/o | solid structure; steroid |
| stere/o | solid; three-dimensional |
| stern/o | sternum (breastbone) |
| steth/o | chest |
| -sthenia | strength |
| stich/o | rows |
| stigmat/o | mark, point |
| -stitial | to set; pertaining to standing or positioned |
| stomat/o | mouth |
| -stomia | condition of the mouth |
| -stomy | new opening (to form a mouth) |
| strept/o | twisted chains |
| -stroma | supporting tissue of an organ |
| styl/o | pole or stake |
| sub- | under; below |
| submaxill/o | mandible (lower jaw bone) |
| succ/o | juice |
| sud/o | sweat |
| super- | above, beyond |
| -suppression | to stop |
| supra- | above; upper |
| sym- | together; with |
| symptom/o | occurrence |
| syn- | together; with |
| synaps/o, synapt/o | point of contact, to join |
| syncop/o | to cut off, cut short; faint |
| syndesm/o | ligament |
| synov/o | synovia; synovial membrane; sheath around a tendon |
| syring/o | tube |
| system/o | system |
| systol/o | contraction |
| tachy- | fast |
| tal/o | talus |
| tars/o | tarsus; hindfoot or ankle |
| tauto- | identical, same |
| tax/o | order; coordination |
| techn/o | skill, art |
| tel/o | complete |
| tele/o | distant |
| temp/o, tempor/o | period of time, the temples |
| ten | deca- |
| ten/o | tendon |
| tendin/o | tendon |
| -tension | pressure |
| tens/o | stretched, strained |
| tephr/o | gray (ashen) |
| terat/o | monster; malformed fetus |
| test/o | testis |
| tetan/o | tetanus |
| tetra- | four |
| thalam/o | thalamus |
| thalass/o | sea |
| thanat/o | death |
| the/o | put; place |
| thec/o | sheath |
| thel/o | nipple |
| therapeut/o | treatment |
| -therapy | treatment |
| therm/o | heat |
| thorac/o | chest |
| -thorax | chest; pleural cavity |
| three | tri- |
| thromb/o | clot |
| -tropia | to turn |
| thym/o | thymus gland |
| -thymia | mind (condition of) |
| -thymic | pertaining to mind |
| thyr/o | thyroid gland; sheild |
| thyroid/o | thyroid gland |
| tibi/o | tibia (shin bone) |
| -tic | pertaining to |
| toc/o | labor; birth |
| -tocia | labor; birth (condition of) |
| -tocin | labor; birth (a substance for) |
| tom/o | to cut |
| -tome | instrument to cut |
| -tomy | process of cutting |
| ton/o | tension |
| tone/o | to stretch |
| tonsill/o | tonsil |
| top/o | place; position; location |
| torso | twisted |
| tox/o | poison |
| toxic/o | poison |
| trache/o | trachea (windpipe) |
| trans- | across; through |
| traumat/o | trauma, injury, wound |
| trem/o, tremul/o | shaking, trembling |
| -tresia | opening |
| tri- | three |
| trich/o | hair |
| trigon/o | trigone (area within the bladder) |
| tri/o | to sort out, sorting |
| -tripsy | to crush |
| troph/o | nourishment; development |
| -trophy | nourishment; development (condition of) |
| -tropia | to turn |
| -tropic | turning |
| -tropin | stimulate; act on |
| tub/o | tube |
| tumesc/o, -tumescence | swelling |
| tympan/o | tympanic membrane (eardrum); middle ear |
| -type | classification; picture |
| typhl/o | cecum, blindness |
| -ule | little; small |
| uln/o | ulna (middle lower arm bone) |
| ul/o | scar, scarring |
| ultra- | beyond; excess |
| -um | structure; tissue; thing |
| umbilic/o | umbilicus (navel) |
| ungu/o | nail |
| uni- | one |
| uran/o | palate |
| -uresis | urination |
| ur/o | urine; urinary tract |
| ureter/o | ureter |
| urethr/o | urethra |
| -uria | urination; condition of urine |
| uric/o | urine condition |
| urin/o | urine |
| -us | structure; thing |
| uter/o | uterus (womb) |
| uve/o | uvea, vascular layer of eye (iris, choroid, ciliary body) |
| uvul/o | uvula |
| vaccin/o | vaccine |
| vag/o | vagus nerve |
| vagin/o | vagina |
| valv/o | valve |
| valvul/o | valve |
| varic/o | varicose veins |
| vas/o | vessel; duct; vas deferens |
| vascul/o | vessel (blood) |
| ven/o | vein |
| ven/i | vein |
| vener/o | venereal (sexual contact) |
| ventil/o | to aerate, oxygenate |
| ventr/o | belly side of body |
| ventricul/o | ventricle (of heart or brain) |
| venul/o | venule (small vein) |
| verm/i | worm |
| verruc/i | wart |
| -verse | to turn |
| -version | to turn |
| vers/o, -verse | turn, turning |
| vertebr/o | vertebra (backbone) |
| vesic/o | urinary bladder |
| vesicul/o | seminal vesicle |
| vestibul/o | vestibule of the inner ear |
| vir/o | virus |
| viscer/o | internal organs |
| vit/o | life |
| vitr/o | vitreous body (of the eye) |
| vitre/o | glass |
| viv/o | life |
| -volemia | blood volume |
| volv/o, volut/o | to roll |
| vulv/o | vulva |
| -ward | in the direction of |
| -where | location e.g. anywhere |
| -wise | direction e.g. clockwise |
| with- | together, united |
| xanth/o | yellow |
| xen/o | stranger, foreigner |
| xer/o | dry, dryness |
| xiph/o or xiphi- | sword shaped |
| xylo- | wood   e.g. xylum |
| xys- | file, scrape |
| -y | condition; process |
| yalos | Glass |
| ydor | Water |
| -yne | ending for alkynes |
| yocto- | prefix: one septillionth part of; the factor 10: yoctosecond |
| yoeides | U-shaped |
| -yl | suffix - a monovalent hydrocarbon radical e.g. ethyl |
| -ylene | suffix - A bivalent organic radical |
| yper | Above |
| ypo | Under |
| ypsi | High |
| ystera | Uterus |
| zeo- | boil |
| zinco- | Pertaining to or containing the element zinc |
| zo/o | animal life |
| zon- | girdle, belt |
| zyg/o | union, junction, pair, yoke, tied together |
| zym/o | enzyme, ferment |
| -zyme | enzyme |
Created by:
xchorok
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