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Medical Terminology
Class material for Med Term and Common Abbreviations
| Term | Definition |
|---|---|
| -algia, -algesia | pain, painful condition |
| -ectomy | surgical removal, cutting out, excision |
| -itis | inflammation |
| -osis | condition of |
| -ostomy | the surgical creation of an artificial opening to the body surface |
| -otomy | cutting, surgical incision |
| -plasty | surgical repair |
| -rrhage, rrhagia | bleeding, abnormal excessive fluid discharge |
| -rrhaphy | surgical suturing |
| -sclerosis | abnormal hardening |
| dys- | bad, difficult, or painful |
| hyper- | excessive, increased |
| hypo- | deficient, decreased |
| poly- | many, multiple |
| A- , An- | without, none |
| Ambi- | on both sides |
| Anti- | against |
| Auto- | self |
| Bi- | two, both, double |
| Brady- | slow |
| Circum- | around, encircling |
| Contra- | against |
| Endo- | within |
| Epi- | upon, over, above |
| Ex- | out, out of |
| Hemi- | half |
| Hetero- | opposite, different |
| Homo- | same, similar |
| Hydro- | fluid, water |
| Mal- | ill, bad |
| Re- | back, again |
| Inter- | between |
| Intra- | within |
| Retro- | behind, backword |
| Sub- | under, below, |
| Super- | above, below, beneath |
| Supra- | above, on the top side |
| Tachy- | fast |
| Trans- | across |
| Tri- | three |
| Quad- | four |
| -cele | herniation, swelling |
| -centesis | to puncture/tap to draw fluid |
| -cide | killing, agent that kills |
| -cyte | cell |
| -desis | surgical fixation, fusion |
| -emia | blood condition |
| -ism | condition, disease |
| -ist | specialist |
| -logist | one who studies, specialist |
| -logia. logy | the study of |
| -lysis | destruction, break down |
| -megaly | enlarged |
| -oma | tumor, mass |
| -opia, -opsia | vision |
| -pathy | disease |
| -pexy | fixation |
| -plasm | growth/formation |
| -porosis | porous, decrease in density |
| -ptosis | drooping, prolapsed |
| -ptysis | spitting, spit up |
| -rrhea | flow, discharge |
| -rrhexis | ruture |
| -sect | to cut |
| -spasm | twitching, involuntary contraction |
| -stomy | forming a new opening |
| -tome | instrument for cutting |
| -tomy | incision into, cut into |
| -puncture | to pierce a surface |
| -ac | pertaining to |
| -al | pertaining to |
| -ar | pertaining to |
| -ary | pertaining to |
| -ia | pertaining to |
| -ic | pertaining to |
| -ical | pertaining to |
| -ium | pertaining to |
| -ous | pertaining to |
| -tic | pertaining to |
| -us | pertaining to |
| -assay | examine, analyze |
| -gram | written record, recording |
| -graph | instrument for recording |
| -graphy | process of recording |
| -manometer | instrument for measuring pressure |
| -meter | instrument for measuring |
| -metery | process of measuring |
| -opsy | to view |
| -scope | instrument for examining |
| -scopy | process of examining, examination |
| Alb/o, Albin/o, Leuk/o | white |
| Chlor/o | green |
| Cirrh/o | orange, yellow |
| Cyan/o | blue |
| Eosin/o, Erythr/o, Rhod/o, Rose/o, Rubr/i/o | red, rosy |
| Flav/o, Jaund/o, Lute/o, Xanth/o | yellow |
| Fusc/o | dark brown |
| Poli/o, Tephr/o | gray, ashen |
| Purpur/i | purple |
| Medial, Medi/o | midline, towards the center |
| Lateral, Later/o | towards the side, away from the midline |
| Superio, Super/o | above, over |
| Inferior, Infer/o | below, under |
| Proximal, Proxim/o | near, closet to the body |
| Distal, Dist/o | away from, farthest from the body |
| Cranial, Crani/o | toward the head |
| Caudal, Caud/o | toward the back or tail |
| Dorsal, Dors/o | near upper surface, back |
| Ventral, Ver/o | toward the bottom, front |
| Posterior, Poster/o | back, behind, after, toward the rear |
| Anterior, Anter/o | front, in front of |
| Agglutin/o | clumping |
| Amyl/o | starch |
| Angi/o | blood/lymph vessels |
| Arteri/o | artery |
| Bas/o, Basi/o | base, foundation |
| Coagul/o | coagulation |
| Ferr/i, Ferr/o | iron |
| Granul/o | granules |
| Haem/a, Hem/o, Hemat/o | blood |
| Kal/i | potassium |
| Myel/o | bone marrow, spinal cord |
| Natr/o | sodium |
| Neutr/o | neutral |
| Norm/o | normal, usual |
| Phleb/o | vein |
| Phosphat/o | phosphate |
| Pykn/o, Pycn/o | thick, dense |
| Sangu/i, Sanguin/o | blood |
| Sapr/o | rotten, decay |
| Schist/o | split, cleft |
| Ser/o | serum, serous |
| Spher/o | round, sphere |
| Strept/o | twisted, curved |
| Thromb/o | clot, thrombus |
| Vas/o, vascul/o | blood vessel |
| Ven/o | vein |
| Cardium | the heart |
| Cardi/o | heart |
| Angi/o | vessel |
| Aort/o | aorta |
| Arteri/o | artery |
| Arther/o | fatty substance, plaque |
| Artri/o | atrium |
| Coron/o | heart |
| Embol/o | embolus, clot |
| Isch/o | supress, restraint |
| Mi/o | less , smaller |
| My/o | muscle |
| Palpit/o, Palpitat/o | flutter, throbbing |
| Rhe/o | flow, current, stream |
| Sphygm/o | pulse |
| Tel/o | distant, far, end |
| Valv/o Valvul/o | valve |
| Varic/o | enlarged & twisted |
| Vas/o, Vascul/o | vessel |
| Ven/o | vein |
| Ventricl/o | ventricule |
| Venul/o | venule |
| Acr/o | extremities |
| Aden/o | gland |
| Adren/o | adrenal glands |
| Cortic/o | cortex |
| Crin/o | secrete |
| Gluc/o, glyc/o | glucose, sugar |
| Hirsut/o | hairy |
| Hormon/o | hormone |
| Hidr/o | sweat |
| Sali/o | saliva |
| Thym/o | thymus gland |
| Thyr/o, Thyroid/o | thyroid gland |
| Tox/o, Toxic/o | poison, toxins |
| Troph/o | growth, nourishment |
| Abdomin/o | abdomen |
| Amyl/o | starch |
| An/o | anus |
| Bil/i | bile |
| Bucc/o | cheek |
| Celi/o | abdomen |
| Chol/e | gall, bile |
| Gingiv/o | gums |
| Gloss/o | tongue |
| Hepat/o | liver |
| Ile/o | ileum |
| Jejun/o | jejunum |
| Lapar/o | abdominal wall |
| Lingu/a | tongue |
| Odont/o | tooth |
| Or/o | mouth |
| Palat/o | palate |
| Peps/o | digestion |
| Peritone/o | peritoneum |
| Phag/o | eating, ingestion |
| Proct/o | rectum, anus |
| Pyr/o | heat, fever, fire |
| Rect/o | rectum |
| Stomat/o | mouth |
| Acanth/o | thorny, spiny |
| Brom/o | odor |
| Caus/o, Cauter/o | burn |
| Chrom/o | color |
| Cutane/o | skin |
| Derm/o, dermat/o | skin, covering |
| Sud/o | sweat |
| Lepid/o | flakes, scales |
| Lepr/o | leprosy |
| Onych/o, Ungu/o | nail |
| Papul/o | papule, pimple |
| Pil/o, Trich/o | hair |
| Prurit/o, Psor/o | itching |
| Py/o | pus |
| Seb/o | sebum |
| Steat/o | fat |
| Ul/o | scar, scarring |
| Verruc/i | wart |
| Xer/o | dry |
| Adenoid/o | adenoids |
| Axill/o | armpit |
| Immun/o | protection, immune |
| Lien/o | spleen |
| Lymph/o | lymph |
| Lymphaden/o | lymph nodes |
| Septic/o | the immune response to a severe infection, putrefaction |
| Splen/o | spleen |
| Tetan/o | tetanus |
| Tonsill/o | tonsils |
| Top/o | particular place or area |
| Vaccin/o | vaccine |
| Ankyl/o | stiff, crooked, bent |
| Arthr/o, Articul/o | joint |
| Asthen/o | weakness |
| Brachi/o | arm |
| Burs/a | bursa |
| Calcane/o | heel |
| Carp/o | wrist |
| Cheir/o, Chir/o | hand |
| Chondr/o | cartilage |
| Fasci/o | fascia, connective tissue |
| Femor/o | femur |
| Fibr/o | fiber, fibrous |
| Fibul/o | fibula, small calf bone |
| Flect/o, Flex/o | bend |
| Humer/o | humerus, upper arm bone |
| Ili/o | ilium, bone in pelvis |
| Ischi/o | ischium, lower back hip bone |
| Kinesi/o | movement |
| Lamin/o | lamina, plate or layer |
| Lei/o | smooth |
| Ligament/o | ligament |
| Lumb/o | lower back, loin |
| Mel/o | limb, limbs |
| Muscul/o, my/o, myos/o | muscle |
| Om/o | shoulder |
| Oste/o | bone |
| Patell/o | patella, knee cap |
| Ped/o, Pod/o | foot |
| Pelv/i | pelvis |
| Perone/o | fibula, small calf bone |
| Phalang/o | phalanges, finger/toe bones |
| Pyg/o | buttock |
| Rhabdomy/o | skeletal muscle |
| Rot/o, Rotat/o | turn, rotate, revolve |
| Sacr/o | sacrum |
| Scapul/o | scapula, shoulder blade |
| Ten/o, Tend/o, Tenont/o | tendon |
| Ton/o | tone, tension |
| Scoli/o | crooked, twisted |
| Skelet/o | skeleton |
| Spin/o | spinal cord, spine |
| Spondyl/o | vertebrae, spinal cord |
| Stern/o | sternum |
| Synov/o | synovia, joint fluid membrane |
| Tibi/o | tibia, large calf bone |
| Vertebr/o | vertebra |
| Atel/0 | incomplete, imperfect |
| Cerebell/o | cerebellum |
| Cerebr/o | cerebrum, brain |
| Drom/o | running |
| Enchephal/o | brain |
| Esthesi/o | sensation, feeling |
| Hydr/o | water, hydrogen |
| Mening/o | meninges, membranes |
| Ment/o | mind |
| Myel/o | spinal cord, bone marrow |
| Narc/o | numbness, stupor |
| Neur/o | nerve |
| Phob/o | fear, aversion |
| Pleg/o | paralyzed |
| Psych/o | mind |
| Radicul/o | nerve root |
| Rhiz/o | root |
| Schiz/o | split, division |
| Somn/i | sleep |
| Syring/o | tube, fistula |
| Tax/o | coordination |
| Tel/o | end |
| Thanat/o | death |
| Thec/o | sheath |
| Vag/o | vagus nerve |
| Amni/o | sac around the embryo |
| Cervic/o | neck of the uterus, cervix |
| Colp/o, vagin/o | vagina |
| Embry/o | embryo, fetus |
| Episi/o, vulv/o | vulva |
| Fet/o | fetus |
| galact/o, lact/o | milk |
| Gravid/o | pregnancy |
| Gynec/o | woman |
| Hyster/o, uter/o | uterus |
| Mamm/o | mammary glands in breast |
| Mast/o | breast |
| Men/o | menses, menstruation |
| Nat/o | birth |
| O/o, Ov/i, Ov/o | egg, ovum |
| Obstetr/o | midwife |
| Oophor/o, ovari/o | ovary |
| Perine/o | perineum |
| Sacchar/o | sugar |
| salping/o | fallopian tubes |
| Thel/o | nipple |
| Toc/o | childbirth, labor |
| Tub/o | tube |
| Viv/i | life, alive |