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Medical terminology
Medical terms
| Term | Definition |
|---|---|
| -al | pertaining to or related to |
| -algia | pain |
| -algia | Pain |
| -asthenia | Weakness |
| -cele | Swelling, herniation |
| -cele | swelling, herniation, or protrusion |
| -centesis | puncture or aspiration |
| -centesis | Surgical puncture |
| -cidal, -cide | Pertaining to killing |
| -cise | Cut, remove |
| -clasis | Break down |
| -desis | Stabilization, binding |
| -dynia | Pain |
| -ectasia | dilation or expansion |
| -ectasis | dilation or expansion |
| -ectasis | Dilation, expansion |
| -ectomy | Removal, excision |
| -ectomy | to cut out or to excise |
| -edema | swelling |
| -emesis | vomiting |
| -emesis | Vomiting |
| -emia | Blood condition |
| -form | Shape |
| -fuge | Driving away |
| -gen | Producing |
| -gram | Record |
| -gram | written or drawn mark |
| -graph | Instrument for recording |
| -graph | to write or record |
| -graphy | Process of recording |
| -graphy | to write or record |
| -ia | condition, state, or abnormality |
| -ia, -ism | Condition of |
| -iasis | condition, state, or presence of something abnormal |
| -iasis | Presence of, formation of |
| -iatry, -iatrist | Healing by a provider/healer |
| -ical | Pertaining to |
| -ion | Process |
| -ism | belief, behavior, or abnormality |
| -ism | Suffix meaning condition |
| -ist | practitioner or specialist |
| -itis | inflammation |
| -itis | Inflammation |
| -ium | structures, membranes, or tissues |
| -lepsy | Seizure, convulsion |
| -logist | study or science |
| -logy | study or science |
| -logy, logist | Study of, one who studies |
| -lysis | Destruction, separation |
| -lysis | dissolution or loosening |
| -malacia | softness |
| -malacia | Weakening or softening of |
| -mania | Obsessive preoccupation |
| -megaly | enlargement |
| -megaly | Enlargement |
| -meter | Device for measuring |
| -metry | Process of measuring |
| -oid | resembling or like |
| -oid | Seeming like |
| -ole | Little, small |
| -oma | swelling or tumor |
| -oma | Tumor |
| -opia | Vision |
| -osis | a condition or a state of being |
| -osis | Condition, usually abnormal |
| -pathy | Disorder, disease |
| -pathy | suffering or disease |
| -penia | Deficiency, decrease |
| -pexy | fixation or fastening |
| -pexy | Fixation, to put in place |
| -phagia | Eating, swallowing |
| -phasia | Speech |
| -phobia | Fear |
| -phylaxis | Protection, prevention |
| -plasia | Formation of |
| -plasty | molding or shaping |
| -plasty | Surgical repair, reformation |
| -plegia | Paralysis |
| -pnea | Breathing |
| -ptosis | Drooping, falling |
| -ptosis | falling or drooping down |
| -rrhage | Bursting forth |
| -rrhage | Suffix meaning excessive flow |
| -rrhage | to burst forth or flow |
| -rrhagia | excessive flow or discharge |
| -rrhaphy | suture or stitch |
| -rrhea | abnormal or excessive discharge |
| -rrhea | Flow, discharge |
| -rrhexis | Rupture |
| -sclerosis | hard |
| -sclerosis | Hardening condition |
| -scope | device for examining or observing |
| -scopy | to look at or examine |
| -scopy | Visual examination |
| -sis | process, condition, or state |
| -spasm | convulsion or twitching |
| -spasm | Involuntary twitch |
| -stasis | balance, stability, or equilibrium |
| -stasis | Stopping or controlling |
| -stomy | A new opening |
| -stomy | creation of an artificial opening or passage |
| -therapy | Treatment |
| -tome | creation of an artificial opening or passage |
| -tomy | cutting or incision |
| -tomy | Incision |
| -tripsy | Crushing |
| -tripsy | rubbing or grinding |
| -trophy | Development |
| -uria | Urine |
| @(do not use) | at(use instead) |
| /(do not use) | per(use instead) |
| &, +(do not use) | and(use instead) |
| a- | without or not |
| A-, an- | Prefix meaning without. |
| a.c. | Before meals |
| ab- | departure or separation |
| Ab- | Prefix meaning away, from. |
| Abd | Abdomen |
| Abdomen | Stomach |
| Abdomin | Abdomen |
| ABGs | Arterial blood gases |
| ACLS | Advance cardiac life support |
| Acute | New, urgent, sudden |
| Ad lib | As desired |
| Ad- | Prefix meaning toward. |
| ad- | toward, addition to, or nearness |
| AD, AS, AU(do not use) | right ear, left ear, both ears(use instead) |
| Aden | Gland |
| ADHD | Attention deficit hyperactivity disorder |
| Adip | Fat |
| AKA | Above-the-knee amputation |
| Alopecia | Hair loss |
| AMA | Against medical advice |
| ambi- | on both sides |
| Ambi- | Prefix meaning both. |
| Amyotrophic lateral sclerosis (ALS) | Lou Gehrig's disease |
| An | Anus |
| an- | absence |
| Anatomical position | Standard frame of reference in which the body is standing up, face forward, arms at the sides, palms forward, and toes pointed forward |
| Andr | Male |
| Angi | Blood vessel |
| Angina | Chest pain |
| ante- | before |
| Ante- | Prefix meaning before. |
| Anterior | Toward the front of the body, also known as ventral. |
| anti- | opposition |
| Anti- | Prefix meaning against. |
| Antibiotic | Combination of anti- (against) and bio (life) |
| Appendic | Appendix |
| Arrhythmia | Irregular heart rhythm |
| Arteri, arter | Artery |
| Arthr | Joint |
| ASA | Aspirin |
| ASAP | As soon as possible |
| ase | enzyme |
| Auto- | Prefix meaning self. |
| BE | Barium enema |
| bi-, di- | Prefix meaning two, twice, double. |
| Bil, chol, cholecysto | Bile, gall |
| Bio | Life |
| BKA | Below-the-knee amputation |
| Blephar | Eyelid |
| BM | Bowel movement |
| BMI | Body mass index |
| BP | Blood pressure |
| BPH | Benign prostatic hypertrophy |
| BPM | Beats per minute |
| Brachi | Arm |
| Brady- | Prefix meaning slow. |
| brady- | slow |
| Bradycardia | Low heart rate, heart beating slow |
| Bronch | Bronchial |
| BRP | Bathroom privileges |
| BSA | Body surface area |
| BUN | Blood urea nitrogen |
| Bx | Biopsy |
| C | Celsius |
| c̄ | With |
| c/o | Complains of |
| C&S | Culture and sensitivity |
| Ca | Calcium; cancer |
| CABG | Coronary artery bypass graft |
| CAD | Coronary artery disease |
| capnea | carbon dioxide |
| Carcin | Cancer |
| Cardi | Heart |
| CBC | Complete blood count |
| CC | Chief complaint |
| CDC | Centers for Disease Control and Prevention |
| Cephal | Head |
| Cephalalgia | A term for headache or pain in the head. |
| Cephalodynia | Another term for headache, indicating pain in the head. |
| Cerebr | Cerebrum |
| Cerebrovascular accident (CVA) | Stroke |
| Cervic | Neck |
| Chloro | Prefix green |
| Chondr | Cartilage |
| Chromo | Prefix color |
| Chronic | Ongoing |
| cm | Centimeter |
| CMS | Centers for Medicare and Medicaid Services |
| CNS | Central nervous system |
| Col | Colon |
| Colectomy | Surgical removal of all or part of the colon. |
| Colostomy | A surgical procedure that creates an opening from the colon to the abdominal surface. |
| Colp | Vagina |
| contra- | against or opposite |
| Contra- | Prefix meaning against. |
| COPD | Chronic obstructive pulmonary disease |
| Cost | Rib |
| CP | Chest pain |
| CPR | Cardiopulmonary resuscitation |
| Crani | Skull |
| Cry | Cold |
| Cryotherapy | Freezing off |
| crypt- | hidden or concealed |
| Csf | Cerebrospinal fluid |
| CT | Computed tomography |
| CT scan | CAT scan |
| Cv | Cardiovascular |
| CVA | Cerebrovascular accident (stroke) |
| CXR | Chest x-ray |
| cyan/o | blue |
| Cyst | Bladder |
| cyte | cell |
| cyte, cyto- | Prefix cell, cellular |
| d | Day |
| D/C, dc | Discharge, discontinue |
| D/C, dc, d/c(do not use) | discharge or discontinue(use instead) |
| D&C | Dilation and curettage |
| Dactyl | Finger or toe |
| Decrease | Symbol (↓) |
| Deep | Farther from the body's surface; more internal |
| Deep vein thrombosis (DVT) | Blood clot |
| Degrees | Symbol (°) |
| Dent | Teeth |
| Derm, dermat | Skin |
| Dextrad | Toward the right |
| Dia | Prefix meaning through completely |
| dia- | through or across |
| Dis | Prefix separate |
| Distal | Further from the body's trunk |
| DM | Diabetes mellitus |
| DNR | Do not resuscitate |
| DOB | Date of birth |
| Dors | Back portion of the body |
| Dorsal recumbent | Lying facing upward with flexed knees, feet flat on floor |
| DTap | Diphtheria, tetanus, and acellular pertussis vaccine |
| Dx | Diagnosis |
| dys- | bad, difficult, or abnormal |
| ECG, EKG | Electrocardiogram |
| ecto- | outside or external |
| ED | Emergency department |
| Edema | Swelling |
| EEG | Electroencephalogram |
| en- | within or inside |
| Encephal | Brain |
| Endo | prefix inside, interior |
| endo- | within or inside |
| ENT | Ear, nose, and throat |
| Enter | Intestines |
| epi- | upon or above |
| Erythro | Prefix red |
| Erythrocytes | Red blood cells |
| Esophag | Esophagus |
| Esthesi | Sensation |
| eu- | good, well, or normal |
| ex- | out of, away from, or outside |
| Exo | prefix outside, exterior |
| exo- | outside or external |
| F | Fahrenheit |
| f/u | Follow up |
| FBS, FBG | Fasting blood sugar/glucose |
| Feet | Symbol (‘) |
| Female | Symbol (♀) |
| Fibr | Connective tissue |
| Flav | Prefix meaning yellow |
| Fowler position | Sitting upright with back angled at 90 degrees |
| FUO | Fever of unknown origin |
| Fx | Fracture |
| Gastr | Stomach |
| GERD | Heartburn |
| GI | Gastrointestinal |
| Gingiv | Gums |
| Gloss | Tongue |
| Gluc, glyc | Sugar |
| Gravid | Pregnant |
| gt | Drop |
| GTT | Glucose tolerance test |
| GU | Genitourinary |
| GYN | Gynecology, gynecologist |
| Gynec | Female |
| H, hr | Hour |
| Hct | Hematocrit |
| HEENT | Head, ears, eyes, nose, throat |
| Hem- | Root meaning blood |
| Hem, hemat | Blood |
| Hemi | Hernia |
| hemi- | half |
| Hemi- | Prefix meaning half |
| Hemorrhage | Medical term meaning excessive blood flow |
| Hepat | Liver |
| HF | Heart failure |
| Hgb | Hemoglobin |
| Hidr | Sweat |
| HIPAA | Health Insurance Portability and Accountability Act |
| Hist | Tissue |
| HIV | Human immunodeficiency virus |
| homeo | body |
| HPV | Human papillomavirus |
| HS(do not use) | half-strength, bedtime (hour of sleep)(use instead) |
| HTN | Hypertension |
| Hx | History |
| Hydra | Water |
| hyper- | excessive or above normal |
| Hyperglycemia | High blood sugar |
| Hypertension | High blood pressure |
| hypo- | under or below normal |
| Hypoglycemia | Low blood sugar |
| Hyster | Uterus |
| I&D | Incision and drainage |
| I&O | Intake and output |
| Icter | Jaundice |
| ICU | Intensive care unit |
| IJ(do not use) | injection(use instead) |
| Ile | Ileum |
| IN(do not use) | intranasal(use instead) |
| Inches | Symbol (" ) |
| Increase | Symbol (↑) |
| Inferior | Below; toward the feet |
| Inter | Prefix meaning between |
| inter- | between or among |
| intra- | within or inside |
| Irid, ird | Iris |
| IUD | Intrauterine device |
| Juxta | next to, beside, adjacent |
| K | Potassium |
| KUB | Kidneys, ureters, bladder |
| L | Liter or left |
| Lact | Milk |
| Lapar | Abdominal wall |
| Laryng | Larynx |
| Later | Side |
| Lateral | Further from the midline of the body (toward the side) |
| lb | Pound |
| Leuko | Prefix white |
| Lingu | Tongue |
| Lip | Fat |
| Lith | Stone |
| LLE | Left lower extremity |
| LLL | Left lower lobe |
| LLQ | Left lower quadrant |
| LMP | Last menstrual period |
| LUE | Left upper extremity |
| LUQ | Left upper quadrant |
| macro- | large or long |
| mal- | bad or evil |
| Male | Symbol (♂) |
| Mamm, mast | Breast |
| Med, medi | Middle |
| Medial | Closer to the midline of the body |
| Mega- | Prefix meaning exceptionally large. |
| Melan | Prefix black |
| Mening, meningi | Membranes, meninges |
| Meso- | Prefix meaning middle. |
| Meta- | Prefix meaning over, beyond. |
| Metr | Uterus |
| Mg/dl | Milligrams per deciliter |
| MI | Myocardial infarction |
| Micro- | Prefix meaning small. |
| micro- | small or tiny |
| mL | Milliliters |
| MM | Mucous membrane |
| mm Hg | Millimeters of mercury |
| Mono-, Uni- | Prefix meaning one. |
| MRI | Magnetic resonance imaging |
| MS | Multiple sclerosis |
| Multi- | Prefix meaning many. |
| My | Muscle |
| Myel | Spinal cord, bone marrow |
| Myocardial infarction | Heart attack |
| Myring | Eardrum |
| N/V | Nausea/vomiting |
| Narc | Numbness, stupor, sleep |
| Narc | Root meaning sleep |
| Nas | Nose |
| NB | Newborn |
| Necr | Death |
| Neo- | Prefix meaning new. |
| Nephr | Kidney |
| Neur | Nerve |
| NG | Nasogastric |
| NKA/NKDA | No known allergies/No known drug allergies |
| NPO | Nothing by mouth (nil per os) |
| NS | Normal saline |
| NSAID | Nonsteroidal anti-inflammatory drug |
| Nulli- | Prefix meaning none. |
| OB | Obstetrics |
| OC | Oral contraceptive |
| Ocul, ophthalm | Eye |
| OD, OS, OU(do not use) | right eye, left eye, both eyes(use instead) |
| OJ(do not use) | orange juice(use instead) |
| Oligo | a few, several |
| Onc | Tumor |
| Onych | Nail |
| OOB | Out of bed |
| Oophor | Ovary |
| OP | Outpatient |
| or | mouth |
| Orchid | Testicles |
| Oste | Bone |
| Osteoarthritis | Wear and tear |
| Ot | Ear |
| OT | Occupational therapy/therapist |
| OTC | Over-the-counter |
| Ov | Ovum |
| oxia | oxygen |
| p.c. | After meals (post cibos) |
| PA | Posteroanterior, physician assistant |
| pan/omni | all |
| Pancreat | Pancreas |
| Para | prefix nearby |
| para- | beside or alongside |
| Path | Disease |
| PE | Physical examination, pulmonary embolism |
| Ped | Child; foot |
| Pelv | Pelvic |
| Pepsia | Digestion |
| per- | through or thoroughly |
| peri- | around or surrounding |
| peri-, epi-, circum- | Prefix meaning around. |
| Periton | peritoneum |
| Phag | Eating, swallowing |
| Phalanges | Fingers and toes |
| philia | love of |
| phleb, ven/o, ven/a | Vein |
| PID | Pelvic inflammatory disease |
| Pleur | Pleura |
| PMS | Premenstrual syndrome |
| Pneum, pneumon | Lungs, air |
| PO | By mouth |
| Pod | Foot |
| Poly- | Prefix meaning many. |
| post- | after or behind |
| Posterior | Toward the back of the body, also known as dorsal. |
| Pounds | Number symbol (#) |
| pre- | before or in front of |
| presby | old age |
| PRN | As needed |
| Proct | Rectum |
| Prone | Lying face down |
| Prostat | Prostate gland |
| Proximal | Closer to the body's trunk |
| Psych | Mind |
| pt | Patient |
| PT | Physical therapy/therapist |
| Pulmon | Lung |
| Pyel | Pelvis of the kidney |
| Pyo | Pus |
| Pyr | Fever, heat |
| q.o.d., QOD(do not use) | Every other day(use instead) |
| Q6PM(do not use) | 6 p.m. daily(use instead) |
| Quad-, Tetra- | prefix four |
| R | Right |
| R/O | Rule out |
| RA | Rheumatoid arthritis |
| RBC | Red blood cell |
| Ren | Renal/kidney |
| retro- | backwards or behind |
| Rhin | Nose |
| RLE | Right lower extremity |
| RLL | Right lower lobe |
| RLQ | Right lower quadrant |
| ROM | Range of motion |
| RT | Respiratory therapy/therapist |
| RUE | Right upper extremity |
| RUQ | Right upper quadrant |
| Rx | Prescription |
| s̄ | Without |
| Sacr | Sacrum |
| Salping | Fallopian tube |
| SC, SQ, sub q(do not use) | subcutaneously(use instead) |
| semi- | half or partially |
| Semi-Fowler's position | Sitting with back angled at 45 degrees |
| Septiс | Infection |
| Shortness of breath | Trouble breathing |
| Sinistrad | Toward the left |
| Skelet | skeleton |
| SOB | Shortness of breath |
| Splen | Spleen |
| Spondyl, vertebr | Vertebra |
| Stat | Immediately |
| STI | Sexually transmitted infection |
| Stomat | Mouth |
| sub- | under or below |
| super- | above or over |
| Superficial | Closer to the surface of the body; more external |
| Superior | Above; toward the head |
| Supine | Lying face up |
| supra- | above or over |
| Sx | Symptoms |
| Syncope | Fainting, temporary loss of consciousness |
| T&A | Tonsillectomy and adenoidectomy |
| tachy- | fast or rapid |
| Tachycardia | Fast heart rate, heart beating fast, heart racing |
| TB | Tuberculosis |
| Ten, tendin | Tendon |
| Therm | Heat |
| Thorac, Steth | Chest |
| Thromb | Clot |
| Thyr | Thyroid gland |
| TIA | Transient ischemic attack |
| TIW, tiw (do not use) | 3 times weekly(use instead) |
| Trache | Trachea |
| Tri | Prefix three; triple |
| Trich | Hair |
| Tx | Treatment |
| UA | Urinalysis |
| Ur | Urinary |
| Ureter | Ureters |
| URI | Upper respiratory infection |
| UTI | Urinary tract infection |
| Vas | Vessel |
| Ven | Vein |
| Vertigo | Dizziness, room spinning, dizzy, lightheaded |
| Vesic | Bladder |
| VS | Vital signs |
| WBC | White blood cell |
| WNL | Within normal limits |
| Xer | Dry |
| YO, y/o | Years old |
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