| Term | Definition |
| A-, AN- | without, away from, negative, not |
| ANTE- | before, in fornt of, forward |
| ANTI- | against |
| BRADY- | slow |
| DYS- | bad, difficult, painful |
| END-, ENDO- | within, in, inside |
| HEMI- | half |
| HYPER- | excessive, increased |
| HYPO- | deficient, decreased |
| INTER- | between, among |
| INTRA- | within, inside |
| NEO- | new,strange, |
| PER- | excessive, through |
| PERI- | surrounding, around |
| POLY- | many |
| POST- | after, behind |
| PRE- | before, in front of, forward |
| SUB- | under, less, below |
| SUPER-, SUPRA- | above, excessive |
| TACHY- | fast, rapid |
| -AC, -AL | pertaining to, relating to |
| -ALGIA | pain, suffering, painful condition |
| -ARY | pertaining to |
| -CELE | hernia, tumor, swelling |
| -CENTESIS | surgical puncture to remove fluid |
| -CYTE | cell |
| -DESIS | to bind, tie together |
| -ECTOMY | surgical removal, cutting out |
| -ECTASIS | stretching, dilation, enlargement |
| -EMIA | blood, blood condition |
| -ESTHESIA | sensation, feeling |
| -GRAM, -GRAPH | a picture or record |
| -GRAPHY | the process of producing a picture or record |
| -IA | abnormal condition, disease |
| -IC | pertaining to |
| -ITIS | inflammation |
| -LYSIS | breakdown, separation, setting free, destruction, loosening |
| -MALACIA | abnormal softning |
| -MEGALY | enlargement |
| -NECROSIS | tissue death |
| -OLOGIST | specialist |
| -OLOGY | the science or study of |
| -OMA | tumor, neoplasm |
| -OSIS | abnormal condition, disease |
| -OSTOMY | surgical creation of an opening to the body surface |
| -OTOMY | cutting, surgical incision |
| -PATHY | disease, suffering, feeling, emotion |
| -PAUSE | stopping |
| -PEXY | surgical fixation |
| -PLASTY | surgical repair |
| -PLEGIA | paralysis |
| -PNEA | breathing |
| -PTOSIS | prolapse, drooping forward |
| -RRHAGIA, -RRHAGE | bleeding, abnormal excessive fluid discharge |
| -RRHAPHY | surgical suturing |
| -RRHEA | flow or discharge |
| -RRHEXIS | rupture |
| -SCLEROSIS | abnormal hardening |
| -SCOPE | instrument for visual examination |
| -SCOPY | visual examination |
| -STENOSIS | abnormal narrowing |
| -TRIPSY | to crush |
| -URIA | urination, urine |
| ANGI/O
(CARDIOVASCULAR) | pertaining to blood or lymph vessels |
| AORT/O
(CARDIOVASCULAR) | aorta |
| ARTERI/O
(CARDIOVASCULAR) | artery |
| ATHER/0
(CARDIOVASCULAR) | plaque, fatty substance |
| CARD/O, CARDI/O
(CARDIOVASCULAR) | heart |
| HEM/O, HEMAT/O
(CARDIOVASCULAR) | blood, pertaining to the blood |
| PHLEB/O
(CARDIOVASCULAR) | vein |
| THROMB/O
(CARDIOVASCULAR) | clot |
| VEN/O
(CARDIOVASCULAR) | vein |
| ECH/O
CARDIOVASCULAR | sound |
| RADI/O
(DIAGNOSTIC PROCEDURES) | radiation, x-rays |
| CHOLECYST/O
(DIAGNOSTIC PROCEDURES) | gallbladder |
| COL/O, COLON/O
(DIGESTIVE SYSTEM) | colon, large intestine |
| PROCT/O
(DIGESTIVE SYSTEM) | anus and rectum |
| ENTER/O
(DIGESTIVE SYSTEM) | small intestinve |
| ESOPHAG/O
(DIGESTIVE SYSTEM) | esophagus |
| GASTR/O
(DIGESTIVE SYSTEM) | stomach |
| HEPAT/O
(DIGESTIVE SYSTEM) | liver |
| SIGMOID/O
(DIGESTIVE SYSTEM) | sigmoid colon |
| ADREN/O
(ENOCRINE SYSTEM) | adrenal glands |
| GONAD/O
(ENDOCRINE AND REPRODUCTIVE SYSTEMS) | sex gland |
| PANCREAT/O
(ENDOCRINE AND REPRODUCTIVE SYSTEMS) | pancreas |
| THYR/O, THYROID/O
(ENDOCRINE SYSTEM) | thyroid gland |
| ADIP/O | fat |
| ALBIN/O | white |
| CEPHAL/O | head |
| CERVIC/O | neck, cervix |
| CORON/O | coronary, crown |
| CYAN/O | blue |
| CYT/O | cell |
| ERYTHR/O | red |
| HIST/O | tissue |
| LAPAR/O | abdomen, abdominal wall |
| LEUK/O | white |
| LIP/O | fat, lipid |
| MELAN/O | black, dark |
| MYC/O | fungus |
| PATH/O | disease, suffering, feeling, emotion |
| PY/O | pus |
| PYR/O | fever, fire |
| SARC/O | flesh, connective tissue |
| CARCIN/O | cancerous |
| ONC/O
(IMMUNE SYSTEM) | tumor |
| CUTANE/O
(INTEGUMENTARY SYSTEM) | skin |
| DERM/O, DERMAT/O
(INTEGUMENTARY SYSTEM) | skin |
| HIDR/O
(INTEGUMENTARY SYSTEM) | sweat |
| SEB/O
(INTEGUMENTARY SYSTEM) | sebum |
| UNGU/O
(INTEGUMENTARY SYSTEM) | nail |
| XER/O
(INTEGUMENTARY SYSTEM) | dry |
| ADEN/O | gland |
| SPLEN/O
(LYMPHATIC SYSTEM) | spleen |
| FASCI/O
(MUSCULAR SYSTEM) | fascia, fibrous band |
| MY/O
(MUSCULAR SYSTEM) | muscle |
| TEN/O, TENDO/O, TENDIN/O
(MUSCULAR SYSTEM) | tendon, stretch out, exten, strain |
| ENCEPHAL/O
(NERVOUS SYSTEM) | brain |
| MENING/O
(NERVOUS SYSTEM) | meninges, membranes |
| NEUR/I, NEUR/O
(NERVOUS SYSTEM) | nerve, nerve tissue |
| COLP/O
(REPRODUCTIVE SYSTEM) | vagina |
| HYSTER/O
(REPRODUCTIVE SYSTEM) | uterus |
| MEN/O
(REPRODUCTIVE SYSTEM) | menstruation, menses |
| METR/O, METRI/O, METR/I
(REPRODUCTIVE SYSTEM) | uterus |
| OV/O
(REPRODUCTIVE SYSTEM) | egg |
| OOPHOR/O, OVARI/O
(REPRODUCTIVE SYSTEM) | ovary |
| ORCH/O, ORDHID/O
(REPRODUCTIVE SYSTEM) | teticles, testis, testes |
| SALPING/O
(REPRODUCTIVE SYSTEM AND SPECIAL SENSES) | uterine (fallopian) tube, auditory (eustachian) tube |
| UTER/O
(REPRODUCTIVE SYSTEM) | uterus |
| VAGIN/O
(REPRODUCTIVE SYSTEM) | vagina |
| BRONCH/O, BRONCHI/O
(RESPIRATORY SYSTEM) | bronchial tube, bronchus |
| LARYNG/O
(RESPIRATORY SYSTEM) | larynx, throat |
| PHARYNG/O
(RESPIRATORY SYSTEM) | throat, pharynx |
| PLEUR/O
(RESPIRATORY SYSTEM) | pleura, side of the body |
| PNEUM/O, PNEUMON/O
(RESPIRATORY SYSTEM) | lung, air |
| PULM/O, PULMON/O
(RESPIRATORY SYSTEM) | lung |
| TRACHE/O
(RESPIRATORY SYSTEM) | trachea, windpipe |
| ANKLY/O
(SKELETAL SYSTEM) | crooked, bent, stiff |
| ARTHR/O
(SKELETAL SYSTEM) | joint |
| CHONDR/O
(SKELETAL SYSTEM) | cartilage |
| COST/O
(SKELETAL SYSTEM) | rib |
| CRANI/O
(SKELETAL SYSTEM) | skull |
| MYEL/O
(SKELETAL AND NERVOUS SYSTEM) | spinal cord, bone marrow |
| OSS/E, OSS/I, OST/O, OSTE/O
(SKELETAL SYSTEM) | bone |
| SPONDYL/O
(SKELETAL SYSTEM) | vertebrae, vertebral, column, back bone |
| THORAC/O
(SKELETAL AND RESPIRATORY SYSTEM) | chest |
| KERAT/O
(SPECIAL SENSES AND INTEGUMENTARY SYSTEM | horny, hard, cornea |
| MYRING/O
(SPECIAL SENSES) | tympanic membrane, eardrum |
| OPTIC/O, OPT/O
(SPECIAL SENSES) | eye, vision |
| OT/O
(SPECIAL SENSES) | ear hearing |
| RETIN/O
(SPECIAL SENSES) | retina |
| SCLER/O
(SPECIAL SENSES AND INTEGUMENTARY SYSTEM) | sclera, white of eye, hard |
| TYMPAN/O
(SPECIAL SENSES) | tympanic membrane, eardrum |
| CYST/O
(URINARY SYSTEM) | urinary bladder, cyst, sac of fluid |
| LITH/O
(URINARY AND DIGESTIVE SYSTEM) | stone, calculus |
| NEPHR/O
(URINARY SYSTEM) | kidney |
| PYEL/O
(URINARY SYSTEM) | renal pelvis, bowl of kidney |
| REN/O
(URINARY SYSTEM) | kidney |
| URETER/O
(URINARY SYSTEM) | ureter |
| URETHER/O
(URINARY SYSTEM) | urethra |
