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Medical terminology
'the language of medicine', ANZ edition
| Prefix/Combining form/Suffix | Meaning |
|---|---|
| a- | no; not; without |
| ab- | no; not; without |
| abdomin/o | abdomen |
| -ac | pertaining to |
| acanth/o | spiny; thorny |
| acetabul/o | acetabulum (hip socket) |
| acous/o | hearing |
| acr/o | extremities; top; extrem point |
| acromi/o | acromion (extension of shoulder bone) |
| actin/o | light |
| acu/o | sharp; severe; sudden |
| -acusis | hearing |
| ad- | towards |
| aden/o | gland |
| adenoid/o | adenoids |
| adip/o | fat |
| adren/o | adrenal gland |
| adrenal/o | adrenal gland |
| -aemia | blood condition |
| -aemic | pertaining to blood condition |
| aer/o | air |
| aesthes/o | nervous sensation (feelings) |
| aesthesi/o | nervous sensation |
| -aesthesia | nervous sensation |
| aeti/o | cause |
| af- | towards |
| agglutin/o | clumping;sticking together |
| -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 |
| ambly/o | dim;dull |
| -amine | nitrogen compound |
| 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 (widened 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 |
| aorta/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 |
| -arche | beginning |
| arter/o | artery |
| arteri/o | artery |
| arteriol/o | arteriole (small artery) |
| arthr/o | joint |
| -arthria | articulate (speak distinctly) |
| articul/o | joint |
| -ary | pertaining to |
| asbest/o | asbestos |
| -ase | enzyme |
| -asthaenia | lack of strength |
| atel/o | incomplete |
| ather/o | plaque (fatty substance) |
| -ation | process;condition |
| atri/o | atrium (upper heart chamber) |
| audi/o | hearing |
| audit/o | hearing |
| aur/o | ear |
| auricul/o | ear |
| auto- | self,own |
| axill/o | armpit |
| azot/o | urea;nitrogen |
| bacill/o | bacilli (bacteria) |
| bacteri/o | bacteria |
| balan/o | glans penis |
| bar/o | pressure;weight |
| bas/o | base;opposite of acid |
| bi- | two |
| bi/o | life |
| bil/i | bile;gall |
| bilirubin/o | bilirubin |
| -blast | embryonic;immature |
| -blastoma | immature tumour (cells) |
| blephar/o | eyelid |
| bol/o | cast;throw |
| brachi/o | arm |
| brachy- | short |
| brady- | slow |
| 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 |
| cac/o | bad |
| caec/o | caecum (first part of the colon) |
| calc/o | calcium |
| calcane/o | calcaneus (heel bone) |
| calci/o | calcium |
| cali/o | calyx |
| calic/o | calyx |
| capillary/o | capillary (tiniest blood vessel) |
| capn/o | carbon dioxide |
| -capnia | carbon dioxide |
| carcin/o | cancerous;cancer |
| cardi/o | heart |
| carp/o | wrist bones (carpals) |
| cata- | down |
| caud/o | tail;lower part of the body |
| caus/o | burn;burning |
| cauter/o | heat;burn |
| -cele | hernia |
| celi/o | belly;abdomen |
| -centesis | surgical puncture to remove fluid |
| 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 |
| chrom/o | colour |
| chron/o | time |
| chym/o | to pour |
| cib/o | meal |
| -cide | killing |
| -cidal | pertaining to killing |
| cine/o | movement |
| cirrh/o | orange-yellow |
| cis/o | to cut |
| -clasis | to break |
| -clast | to break |
| claustr/o | enclosed space |
| clavicul/o | clavicle (collar bone) |
| -clysis | irrigation;washing |
| coagul/o | coagulation (clotting) |
| -coccus (pl.-cocci) | berry-shaped bacterium |
| coccyg/o | coccyx (tail bone) |
| cochle/o | cochlea (inner part of the ear) |
| col/o | colon (large intestine) |
| colp/o | vagina |
| comat/o | deep sleep |
| comi/o | to care for |
| con- | together,with |
| coni/o | dust |
| conjunctiv/o | conjunctiva (lines the eyelids) |
| -constriction | narrowing |
| contra- | against;opposite |
| cor/o | pupil |
| core/o | pupil |
| corne/o | cornea |
| coron/o | heart |
| corpor/o | body |
| cortic/o | cortex,outer region |
| cost/o | rib |
| crani/o | skull |
| cras/o | mixture;temperament |
| crin/o | secrete |
| -crine | secrete;separate |
| -crit | to separate |
| cry/o | cold |
| crypt/o | hidden |
| culd/o | cul-de-sac |
| -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;lacrimal 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 |
| dia- | complete;through |
| diaphor/o | sweat |
| -dilation | widening;stretching;expanding |
| dipl/o | double |
| dips/o | thirst |
| dist/o | far;distant |
| 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 |
| -dynia | pain |
| dys- | bad;painful;difficult;abnormal |
| -eal | pertaining to |
| ec- | out;outside |
| echo- | reflected sound |
| -ectasia | stretching;dilation;expansion |
| -ectasis | stretching;dilation;expansion |
| ecto- | out;outside |
| -ectomy | removal;excision;resection |
| -elasma | flat plate |
| electr/o | electricity |
| em- | in |
| -ema | condition |
| -emesis | vomiting |
| emmetr/o | in due measure |
| en- | in;within |
| encephal/o | brain |
| endo- | in;within |
| enter/o | intestines (usually small intestine) |
| eosin/o | red;rosy;dawn-coloured |
| epi- | above;upon;on |
| epididym/o | epididymis |
| epiglott/o | epiglottis |
| episi/o | vulva (external female genitalia) |
| epitheli/o | skin;epithelium |
| equin/o | horse |
| -er | one who |
| erg/o | work |
| erythem/o | flushed;redness |
| erythr/o | red |
| -esis | condition |
| eso- | inward |
| ethm/o | sieve |
| eu- | good;normal |
| -eurysm | widening |
| ex- | out;away from |
| exanthemat/o | rash |
| exo- | out;away from |
| extra- | outside |
| faci/o | face |
| fasci/o | fascia (membrane supporting muscles) |
| femor/o | femur (thigh bone) |
| -ferent | to carry |
| fibr/o | fibre |
| fibros/o | fibrous connective tissue |
| fibul/o | fibula |
| -fication | process of making |
| -fida | split |
| flex/o | to bend |
| fluor/o | luminous |
| follicul/o | follicle;small sac |
| -form | resembling;in the shape of |
| fung/i | fungus;mushroom |
| furc/o | forking;branching |
| -fusion | to pour; to come together |
| galact/o | milk |
| ganglion/o | ganglion;collection of nerve cell bodies |
| gastr/o | stomach |
| -gen | producing;forming |
| -genesis | producing;forming |
| -genic | produced by or in |
| ger/o | old age |
| gest/o | pregnancy |
| gester/o | pregnancy |
| gingiv/o | gum |
| glauc/o | grey |
| gli/o | glue;neuroglial tissue (supportive tissue of nervous system) |
| -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 |
| 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 |
| -graphy | process of recording |
| gravid/o | pregnancy |
| -gravida | pregnant woman |
| gynaec/o | woman;female |
| haem/o | blood |
| haemat/o | blood |
| haemoglobin/o | haemoglobin |
| hallucin/o | hallucination |
| hemi- | half |
| hepat/o | liver |
| herni/o | hernia |
| -hexia | habit |
| hidr/o | sweat |
| hist/o | tissue |
| histi/o | tissue |
| home/o | sameness;unchanging;constant |
| hormon/o | hormone |
| humer/o | humerus (upper arm bone) |
| hydr/o | water |
| hyper- | above;excessive |
| hypn/o | sleep |
| hypo- | deficient;below;under;less than normal |
| hypophys/o | pituitary gland |
| hyster/o | uterus;womb |
| -ia | condition |
| -iac | pertaining to |
| -iasis | abnormal condition |
| iatr/o | treatment;physician |
| -ic | pertaining to |
| -ical | pertaining to |
| ichthy/o | dry;scaly |
| -icle | small |
| idi/o | unknown;individual;distinct |
| ile/o | ileum |
| ili/o | ilium |
| immun/o | immune;protection;safe |
| in- | in;into;not |
| -in,-ine | a substance |
| -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 (coloured portion of eye) |
| irid/o | iris (coloured 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 |
| -itis | inflammation |
| -ium | structure;tissue |
| jaund/o | yellow |
| jejun/o | jejunum |
| kal/i | potassium |
| kary/o | nucleus |
| kerat/o | horny,hard;cornea |
| kern- | nucleus (collection of nerve cells in the brain) |
| ket/o | ketones;acetones |
| keton/o | ketones;acetones |
| kines/o | movement |
| kinesi/o | movement |
| -kinesia | movement |
| -kinesis | movement |
| klept/o | to steal |
| kyph/o | humpback |
| labi/o | lip |
| lacrim/o | tear;tear duct;lacrimal duct |
| lact/o | milk |
| lamin/o | lamina (part of vertebral arch) |
| lapar/o | abdominal wall;abdomen |
| -lapse | to slide,fall,sag |
| laryng/o | larynx (voice box) |
| later/o | side |
| leiomy/o | smooth (visceral)muscle |
| -lemma | sheath,covering |
| -lepsy | seizure |
| lept/o | thin,slender |
| -leptic | to seize,take hold of |
| leth/o | death |
| leuk/o | white |
| lex/o | word;phrase |
| -lexia | word;phrase |
| ligament/o | ligament |
| lingu/o | tongue |
| lip/o | fat;lipid |
| -listhesis | slipping |
| lith/o | stone;calculus |
| -lithiasis | condition of stones |
| -lithotomy | incision (for removal)of a stone |
| lob/o | lobe |
| log/o | study of |
| -logy | study of |
| lord/o | curve;swayback |
| -lucent | to shine |
| lumb/o | lower back;loin |
| lute/o | yellow |
| lux/o | to slide |
| lymph/o | lymph |
| lymphaden/o | lymph gland (node) |
| lymphangi/o | lymph vessel |
| -lysis | breakdown;separation;destruction;loosening |
| -lytic | to reduce,destroy;separate |
| macro- | large |
| mal- | bad |
| -malacia | softening |
| malleol/o | malleolus |
| mamm/o | breast |
| mandibul/o | mandible (lower jaw bone) |
| -mania | obsessive preoccupation |
| mast/o | breast |
| mastoid/o | mastoid process (behind the ear) |
| maxill/o | maxilla (upper jaw bone) |
| meat/o | meatus (opening) |
| medi/o | middle |
| mediastin/o | mediastinum |
| medull/o | medulla (inner section);middle;soft,marrow |
| mega- | large |
| -megaly | enlargement |
| melan/o | black |
| men/o | menses;menstruation |
| mening/o | meninges (membranes covering the spinal cord and brain) |
| meningi/o | meninges |
| ment/o | mind;chin |
| meso- | middle |
| meta- | change;beyond |
| metacarp/o | metacarpals (hand bones) |
| metatars/o | metatarsals (foot bones) |
| -meter | measure |
| metri/o | uterus (womb) |
| metr/o | uterus (womb);measure |
| mi/o | smaller;less |
| micro- | small |
| -mimetic | mimic;copy |
| -mission | to send |
| 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 |
| 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 tumour |
| 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 |
| noct/i | night |
| norm/o | rule;order |
| nos/o | disease |
| nucle/o | nucleus |
| nuli- | none |
| nyct/o | night |
| obstetr/o | midwife |
| ocul/o | eye |
| odont/o | tooth |
| odyn/o | pain |
| -oedema | swelling |
| oesophag/o | oesophagus |
| oestr/o | female |
| -oid | resembling |
| -ole | little;small |
| olecran/o | olecranon (elbow) |
| olig/o | scanty |
| om/o | shoulder |
| -oma | tumour;mass;fluid collection |
| omphal/o | umbilicus (navel) |
| onc/o | tumour |
| -one | hormone |
| onych/o | nail (of fingers or toes) |
| o/o | egg |
| oophor/o | ovary |
| -opaque | obscure |
| ophthalm/o | eye |
| -opia | vision |
| -opsia | vision |
| -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 |
| orth/o | straight |
| -ose | full of;pertaining to;sugar |
| -osis | condition,usually abnormal |
| -osmia | 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;sharp;acid |
| oxysm/o | sudden |
| pachy- | heavy;thick |
| paed/o | child;foot |
| -penia | deficiency |
| palat/o | palate (roof of the mouth) |
| palpebr/o | eyelid |
| pan- | all |
| pancreat/o | pancreas |
| papill/o | nipple-like;optic disc |
| 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 |
| parathyroid/o | parathyroid glands |
| -paresis | paralysis |
| -pareunia | sexual intercourse |
| -partum | birth;labour |
| patell/a | patella |
| patell/o | patella |
| path/o | disease |
| -pathy | disease;emotion |
| pector/o | chest |
| pelv/i | pelvic bone;hip |
| pend/o | to hang |
| -pepsia | digestion |
| per- | through |
| peri- | surrounding |
| perine/o | perineum |
| peritone/o | peritoneum |
| perone/o | fibula |
| -pexy | fixation;to put in place |
| phae/o | dusky;dark |
| phaec/o | lens of eye |
| phag/o | eat;swallow |
| -phage | eat;swallow |
| -phagia | eating;swallowing |
| phak/o | lens of eye |
| phalang/o | phalanges (fingers and toes) |
| phall/o | penis |
| pharmac/o | drug |
| pharmaceut/o | drug |
| pharyng/o | throat (pharynx) |
| phas/o | speech |
| -phasia | speech |
| -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) |
| phot/o | light |
| phren/o | diaphragm;mind |
| -phthisis | wasting away |
| -phylaxis | protection |
| physi/o | nature;function |
| -physis | to grow |
| phyt/o | plant |
| -phyte | plant |
| pil/o | hair |
| pineal/o | pineal gland |
| pituitar/o | pituitary gland |
| -plakia | plaque |
| plant/o | sole of the foot |
| plas/o | development;formation |
| -plasia | development;formation;growth |
| -plasm | formation |
| -plastic | pertaining to foramtion |
| -plasty | surgical repair |
| ple/o | more;many |
| -plegia | paralysis;palsy |
| -plegic | paralysis;palsy |
| pleur/o | pleura |
| plex/o | plexus;network (of nerves) |
| -pnoea | 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- | grey matter (of brain or spinal cord) |
| poly- | many;much |
| polyp/o | polyp;small growth |
| pont/o | pons (a part of the brain) |
| -porosis | condition of pores (spaces) |
| 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 |
| -scopy | visual examination |
| scot/o | darkness |
| seb/o | sebum |
| sebace/o | sebum |
| sect/o | to cut |
| semi- | half |
| semin/i | semen;seed |
| seps/o | infection |
| sial/o | saliva |
| sialaden/o | salivary gland |
| sider/o | iron |
| sigmoid/o | sigmoid colon |
| silic/o | glass |
| sinus/o | sinus |
| -sis | state of;condition |
| -sol | solution |
| somat/o | body |
| -some | body |
| somn/o | sleep |
| -somnia | sleep |
| son/o | sound |
| -spadia | to tear,cut |
| -spasm | sudden contraction of muscles |
| 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 (back bone) |
| squam/o | scale |
| -stalsis | contraction |
| staped/o | stapes (middle ear bone) |
| staphyl/o | clusters;uvula |
| -stasis | to stop;control;place |
| -static | pertaining to stopping;controlling |
| steat/o | fat,sebum |
| -stenosis | tightening;stricture |
| ster/o | solid structure;steroid |
| stere/o | solid;three-dimensional |
| stern/o | sternum (breast bone) |
| steth/o | chest |
| -sthaenia | strength |
| -stitial | to set;pertaining to standing or positioned |
| stomat/o | mouth |
| -stomia | condition of mouth |
| -stomy | new opening (to form a mouth) |
| strept/o | twisted chians |
| styl/o | pole or stake |
| sub- | under;below |
| submaxill/o | mandible (lower jaw bone) |
| -suppression | to stop |
| supra- | above,upper |
| sym- | together;with |
| syn- | together;with |
| syncop/o | to cut off,cut short;faint |
| syndesm/o | ligament |
| synov/o | synovial;synovial membrane;sheath around a tendon |
| syring/o | tube |
| tachy- | fast |
| tars/o | tarsus;hindfoot or ankle (seven bones between the foot and the leg) |
| tax/o | order;coordination |
| tel/o | complete |
| tele/o | distant |
| ten/o | tendon |
| tendin/o | tendon |
| -tension | pressure |
| terat/o | monster;malformed fetus |
| test/o | testis (testicle) |
| tetra- | four |
| thalam/o | thalamus |
| thalass/o | sea |
| 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 |
| thromb/o | clot |
| thym/o | thymus gland |
| -thymia | mind(condition of) |
| -thymic | pertaining to mind |
| thyr/o | thyroid gland;shield |
| thyroid/o | thyroid gland |
| tibi/o | tibia (shin bone) |
| -tic | pertaining to |
| toc/o | labour;birth |
| -tocia | labour;birth (condition of) |
| -tocin | labour;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 |
| tox/o | poison |
| toxic/o | posion |
| trache/o | trachea (windpipe) |
| trans- | across;through |
| -tresia | opening |
| tri- | three |
| trich/o | hair |
| trigon/o | trigone (area within the bladder) |
| -tripsy | to crush |
| troph/o | nourishment;development |
| -trophy | nourishment;development |
| -tropia | to turn |
| -tropic | turning |
| -tropin | stimulate;act on |
| tympan/o | tympanic membrane (eardrum);middle ear |
| -type | classification;picture |
| -ule | little;small |
| uln/o | ulna (medial lower arm bone) |
| ultra- | beyond;excess |
| -um | structure;tissue;thing |
| umbilic/o | umbilicus (navel) |
| ungu/o | nail |
| uni- | one |
| ur/o | urine;urinary tract |
| ureter/o | ureter |
| urethr/o | urethra |
| -uria | urination;condition of urine |
| urin/o | urine |
| -us | structure;thing |
| uter/o | uterus (womb) |
| uve/o | uvea,vascular layer of eye (iris,choroid,ciliary body) |
| uvul/o | uvula |
| 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;ven/i | vein |
| vener/o | venereal (sexual contact) |
| ventr/o | belly side of body |
| ventricul/o | ventricle (of heart or brain) |
| venul/o | venule (small vein) |
| -verse | to turn |
| -version | to turn |
| vertebr/o | vertebra (back bone) |
| vesic/o | urinary bladder |
| vesicul/o | seminal vesicle |
| vestibul/o | vestibule of the inner ear |
| viscer/o | internal organs |
| vit/o | life |
| vitr/o | glass |
| vitre/o | vitreous body (of the eye) |
| viv/o | life |
| vol/o | to roll |
| vulv/o | vulva (female external genitalia) |
| xanth/o | yellow |
| xen/o | stranger |
| xer/o | dry |
| xiph/o | sword |
| -y | condition;process |
| zo/o | animal life |