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ALL root words
i'm going to go psychotic.
| word part | definition |
|---|---|
| abdomin/o | abdomen |
| acid/o | acid |
| acous/o | hearing |
| acoust/o | hearing; sound |
| acr/o | extremities |
| aden/o | gland |
| adenoid/o | adenoids |
| adip/o | fat |
| adren/o | adrenal gland |
| adrenal/o | adrenal gland |
| agglutin/o | clumping; sticking together |
| albin/o | white |
| albumin/o | albumin (a protein) |
| alges/o | sensitivity to pain |
| aliment/o | nourishment; nutrition |
| alveol/o | alveolus; air sac |
| ambly/o | dull; dim |
| ambul/o | to walk or move about |
| amni/o | amnion |
| amyl/o | starch |
| an/o | anus |
| andr/o | male |
| angi/o | vessel (blood) |
| ankyl/o | crooked; bent; stiff; fused together |
| anter/o | front |
| anxi/o | anxious; uneasy |
| aort/o | aorta; largest artery |
| append/o | appendix |
| appendic/o | appendix |
| aque/o | water |
| arteri/o | artery |
| arteriol/o | arteriole (small artery) |
| arthr/o | joint |
| articul/o | joint |
| aspir/o | removal |
| astr/o | star; star—shaped |
| atel/o | incomplete; imperfect |
| ather/o | plaque; fatty buildup |
| atri/o | atria; atrium |
| audi/o | hearing |
| audit/o | hearing |
| aur/o | ear |
| aut/o | self |
| azot/o | nitrogen |
| bacteri/o | bacteria |
| balan/o | glans penis |
| bi/o | life |
| bil/i | bile; gall |
| blephar/o | eyelid |
| bol/o | cast; throw |
| brachi/o | arm |
| bronch/o | bronchus; bronchial tube |
| bronchi/o | bronchiole; smaller subdivision of the bronchus |
| bucc/o | cheek |
| burs/o | bursa (sac of fluid near a joint) |
| calc/o | calcium |
| calcane/o | calcaneus; heel bone |
| calcul/o | stone |
| cali/o | calyx (a cup—like division of the renal pelvis) |
| carcin/o | cancer |
| card/o | heart |
| cardi/o | heart |
| carp/o | wrist |
| caud/o | tail |
| caus/o | burn; burning; heat |
| cauter/o | heat; burn |
| cec/o | cecum (first part of large intestine) |
| celi/o | abdomen; belly |
| cephal/o | head |
| cerebell/o | cerebellum |
| cerebr/o | cerebrum |
| cerumin/o | cerumen |
| cervic/o | neck; cervix (neck of uterus) |
| cheil/o | lip |
| chir/o | hand |
| cholangi/o | bile; vessel |
| chol/e | gall; bile |
| cholecyst/o | gallbladder |
| choledoch/o | common bile duct |
| chondr/o | cartilage |
| chori/o | chorion |
| chorion/o | chorion |
| chrom/o | color |
| chron/o | time |
| cirrh/o | orange—yellow |
| cis/o | to cut |
| clavicul/o | clavicle; collarbone |
| coagul/o | coagulation; clotting |
| cochle/o | cochlea |
| col/o | large intestine; colon |
| colon/o | large intestine; colon |
| colp/o | vagina |
| comi/o | to care for |
| congest/o | accumulation of fluid |
| conjunctiv/o | conjunctiva |
| constrict/o | narrowing |
| contus/o | to bruise |
| cor/o | pupil |
| core/o | pupil |
| corne/o | cornea |
| coron/o | heart |
| cortic/o | cortex; outer region |
| cost/o | rib |
| crani/o | skull |
| crin/o | secrete |
| cry/o | cold |
| crypt/o | hidden |
| cubit/o | elbow |
| culd/o | cul—de—sac (cavity closed at one end) |
| cutane/o | skin |
| cyan/o | blue |
| cyst/o | cyst; fluid sac; bladder |
| cyt/o | cell |
| dacry/o | tear |
| dactyl/o | digits (fingers and toes) |
| dem/o | people |
| dendr/o | tree—like; branches |
| dent/i | tooth |
| derm/a | skin |
| derm/o | skin |
| dermat/o | skin |
| dextr/o | to the right |
| diaphor/o | profuse sweating |
| diaphragmat/o | diaphragm |
| dilat/o | to enlarge or expand |
| dipl/o | double |
| dips/o | thirst |
| dist/o | away from the point of origin; far; distant |
| diverticul/o | diverticulum |
| dont/o | tooth |
| dors/o | back of the body |
| duct/o | to lead; to carry |
| duoden/o | duodenum (first part of small intestine) |
| dur/o | dura mater |
| ecchym/o | blood in the tissues |
| electr/o | electricity |
| embry/o | embryo |
| encephal/o | brain |
| enter/o | intestines (usually the small intestine) |
| epididym/o | epididymis |
| epiglott/o | epiglottis |
| episi/o | vulva |
| erythem/o | redness |
| erythemat/o | redness |
| erythr/o | red |
| esophag/o | esophagus |
| esthes/o | nervous sensation |
| esthesi/o | nervous sensation |
| eti/o | the cause of a disease or condition |
| fasci/o | fibrous band; fascia |
| femor/o | thigh bone |
| fet/o | fetus |
| fibr/o | fiber |
| fibul/o | fibula; lower leg bone |
| flex/o | to bend |
| fluor/o | luminous; lighted up |
| fung/o | fungus |
| gangli/o | tumor; cystic tumor |
| gastr/o | stomach |
| genit/o | reproduction |
| gigant/i | abnormally large |
| gingiv/o | gums |
| glauc/o | gray |
| gli/o | glue |
| glomerul/o | glomerulus |
| gloss/o | tongue |
| gluc/o | sugar; glucose |
| glyc/o | sugar; glucose |
| glycos/o | sugar; glucose |
| gon/o | seed |
| gonad/o | sex glands |
| graph/o | writing |
| gustat/o | taste |
| gyn/o | female; woman |
| gynec/o | female; woman |
| hem/a | blood |
| hem/o | blood |
| hemat/o | blood |
| hepat/o | liver |
| herni/o | hernia |
| hiat/o | opening |
| hidr/o | sweat |
| hirsut/o | hairy |
| hist/o | tissue |
| home/o | similar |
| hormon/o | hormone |
| humer/o | humerus; upper arm bone |
| hy/o | hyoid bone |
| hydr/o | water |
| hymen/o | hymen |
| hypn/o | sleep |
| hyster/o | uterus |
| iatr/o | physician; treatment |
| ichthy/o | dry; scaly |
| idi/o | unknown; individual; distinct |
| ile/o =ileum (third part of small intestine) | |
| ili/o | ilium; top of the hip bone |
| immun/o | immune; protection |
| infer/o | below |
| inguin/o | groin |
| insulin/o | insulin |
| integument/o | covering |
| ir/o | iris |
| irid/o | iris |
| is/o | same; equal |
| isch/o | back; to hold back |
| jaund/o | yellow |
| jejun/o | jejunum (second part of small intestine) |
| kal/i | potassium |
| kary/o | nucleus |
| kerat/o | hard, horn—shaped tissue; cornea |
| ket/o | ketone |
| kines/o | movement |
| kinesi/o | movement |
| kyph/o | humpback |
| labi/o | lip |
| lacrim/o | tears |
| lact/o | milk |
| lamin/o | lamina (thin plate or layer; arch) |
| lapar/o | abdominal wall; abdomen |
| laryng/o | larynx; voice box |
| later/o | side |
| lei/o | smooth |
| leuk/o | white |
| lex/o | word |
| ligament/o | ligament |
| ligat/o | binding; tying |
| ling/o | tongue |
| lip/o | fat |
| lipid/o | fatty deposits; lipids |
| lith/o | stone; calculus |
| lob/o | lobe |
| log/o | study |
| lord/o | curve; swayback |
| lumb/o | lumbar region; loin |
| lumin/o | light |
| lump/o | lump; mass |
| lux/o | slide |
| ly/o | break down; dissolve; loosen |
| lymph/o | lymph |
| lymphaden/o | lymph node |
| lymphangi/o | lymphatic vessel |
| lymphat/o | lymph |
| mamm/o | breast |
| mandibul/o | mandible; lower jaw bone |
| mast/o | breast |
| meat/o | meatus |
| medi/o | middle |
| medull/o | medulla oblongata |
| megal/o | large; great; grand |
| melan/o | black |
| men/o | menses; menstruation |
| mening/o | meninges |
| meningi/o | meninges |
| menisc/o | meniscus; cartilage in the knee joint |
| ment/o | mind |
| metr/o | uterus |
| metri/o | uterus |
| mi/o | smaller; less |
| micr/o | small |
| morph/o | shape; form |
| muc/o | mucus |
| muscul/o | muscle |
| my/o | muscle |
| myc/o | fungus |
| mydr/o | widened; enlarged |
| myel/o | bone marrow; spinal cord |
| myocardi/o | heart muscle |
| myos/o | muscle |
| myring/o | tympanic membrane; eardrum |
| myx/o | mucus |
| narc/o | numbness; sleep; stupor |
| nas/o | nose |
| nat/i | birth |
| natr/o | sodium |
| necr/o | death |
| nephr/o | kidney |
| neur/o | nerve |
| noct/o | night |
| nos/o | disease |
| nucle/o | nucleus |
| nyct/o | night |
| ocul/o | eye |
| odont/o | tooth |
| olfact/o | smell |
| olig/o | scanty (very small) |
| onc/o | tumor |
| onych/o | nail |
| o/o | ovum (egg) |
| oophor/o | ovary |
| ophthalm/o | eye |
| opt/o | eye; vision |
| optic/o | eye; vision |
| or/o | mouth |
| orbit/o | eye socket |
| orch/o | testis; testicle |
| orchi/o | testis; testicle |
| orchid/o | testis; testicle |
| orth/o | straight |
| ossic/o | ossicle (small bone) |
| oste/o | bone |
| ot/o | ear |
| ov/o | ovum (egg) |
| ovari/o | ovary |
| ovul/o | ovum (egg) |
| ox/i | oxygen |
| ox/o | oxygen |
| pancreat/o | pancreas |
| papill/o | optic disc; nipple—like |
| parathyroid/o | parathyroid gland |
| patell/o | patella; kneecap |
| path/o | disease |
| pector/o | chest |
| ped/o | foot; child |
| pelv/i | pelvis |
| perine/o | perineum |
| peritone/o | peritoneum |
| phac/o | lens of the eye |
| phag/o | eat; swallow; engulf |
| phak/o | lens of the eye |
| phalang/o | phalanges; fingers or toes |
| pharyng/o | pharynx; throat |
| phas/o | speech |
| phe/o | dark—colored; gray |
| phim/o | muzzle |
| phleb/o | vein |
| phob/o | fear |
| phon/o | sound |
| phot/o | light |
| phren/o | mind |
| phys/o | air; gas |
| physi/o | nature; function |
| pil/o | hair; hair follicle |
| pituitar/o | pituitary gland |
| plant/o | sole of the foot |
| plas/o | development; formation |
| pleur/o | pleura; serous membrane that enfolds the lung |
| pneum/o | lung; air |
| pneumon/o | lung; air |
| pod/o | foot |
| pol/o | extreme |
| poli/o | gray matter |
| pont/o | pons |
| por/o | opening; passageway; porous |
| poster/o | back (of body); behind |
| presby/o | old age |
| proct/o | rectum; anus |
| prostat/o | prostate gland |
| proxim/o | near the point of origin; near; close |
| prurit/o | itching |
| psor/o | itching |
| psych/o | mind |
| pub/o | pubis; pubic region |
| pulmon/o | lung |
| py/o | pus |
| pyel/o | renal pelvis |
| pylor/o | pylorus |
| pyret/o | fever |
| rachi/o | spine; vertebra |
| radi/o | X—rays |
| radicul/o | nerve root |
| rect/o | rectum |
| ren/o | kidney |
| resuscit/o | to revive |
| retin/o | retina |
| rhabd/o | rod—shaped |
| rheumat/o | watery flow |
| rhin/o | nose |
| rhythm/o | rhythm; heartbeat |
| rhytid/o | wrinkle |
| sacr/o | sacrum |
| salping/o | Eustachian (auditory) tube; fallopian tube |
| sarc/o | flesh; connective tissue |
| schiz/o | split |
| scler/o | hardening |
| scoli/o | crooked; bent |
| scot/o | darkness |
| seb/o | sebum (oily secretion from sebaceous glands) |
| semin/i | semen; seed |
| seps/o | infection |
| sept/o | wall; partition |
| ser/o | serum; serous |
| sial/o | saliva; salivary gland |
| sigmoid/o | sigmoid colon; sigmoid |
| sin/o | sinus; cavity |
| sinus/o | sinus; cavity |
| sinistr/o | to the left |
| somat/o | body |
| somn/o | sleep |
| son/o | sound |
| sperm/o | spermatozoa; sperm |
| spermat/o | spermatozoa; sperm |
| sphygm/o | pulse |
| spin/o | spine |
| spir/o | breathing |
| splen/o | spleen |
| spondyl/o | vertebra; backbone |
| squam/o | scale |
| staped/o | stapes (middle ear bone) |
| steat/o | fat; sebum |
| ster/o | solid structure; steroid |
| stern/o | sternum; breastbone |
| steth/o | chest |
| stigmat/o | point |
| stomat/o | mouth |
| styl/o | column; pillar; tube |
| super/o | above |
| synaps/o | point of contact; to join |
| synapt/o | point of contact; to join |
| syncop/o | to cut off; cut short; faint |
| synovi/o | lubricating fluid of joints |
| systol/o | contraction |
| tars/o | ankle |
| tax/o | coordination; order |
| taxi/o | coordination; order |
| tempor/o | the temples |
| ten/o | tendon |
| tendin/o | tendon |
| tendon/o | tendon |
| tens/o | stretched; strained |
| test/o | testis; testicle |
| testicul/o | testis; testicle |
| thalam/o | thalamus |
| thec/o | sheath (meninges) |
| therm/o | hot; heat |
| thorac/o | chest |
| thromb/o | clot |
| thym/o | thymus |
| thyr/o | thyroid gland |
| thyroid/o | thyroid gland |
| tibi/o | tibia; lower leg bone |
| tom/o | to cut |
| ton/o | tone; tension |
| tonsill/o | tonsils |
| top/o | place; location; position |
| tors/o | twisted |
| tox/i | poison |
| tox/o | poison |
| toxic/o | poison |
| trache/o | trachea; windpipe |
| traumat/o | trauma; injury; wound |
| trich/o | hair |
| trigon/o | trigone (region of bladder) |
| troph/o | development; nourishment |
| tub/o | tube |
| tubercul/o | tubercule; small lesion caused by infection |
| tuss/o | cough |
| tympan/o | eardrum |
| uln/o | ulna; lower arm bone |
| umbilic/o | umbilicus (belly button) |
| ungu/o | nail |
| ur/o | urine; urinary tract |
| ureter/o | ureter |
| urethr/o | urethra |
| urin/o | urine |
| uter/o | uterus |
| vagin/o | vagina |
| varic/o | varicose veins |
| vas/o | vessel; duct |
| vascul/o | blood vessel |
| ven/i | vein |
| ven/o | vein |
| vener/o | sexual contact |
| ventil/o | to oxygenate; aerate |
| ventr/o | belly side of body; ventral aspect |
| ventricul/o | ventricle |
| venul/o | venule (small vein) |
| vers/o | turn; turning |
| vertebr/o | vertebrae; spinal column bones |
| vesic/o | urinary bladder |
| vesicul/o | seminal vesicle |
| vestibul/o | vestibule |
| vir/o | virus |
| viscer/o | internal organs |
| vitr/o | vitreous body |
| vitre/o | glassy |
| volv/o | to roll; turn; twist around |
| vulv/o | vulva |
| xanth/o | yellow; yellowish |
| xen/o | foreign; unlike species |
| xer/o | dry |
| zo/o | animal; life |