| Term | Definition |
| Hydro
- Hydronephrosis | Water |
| Cyst/o
- Cystitis, cystectomy | Bladder |
| Pyel/o
- Pyelogram | Renal collecting ducts |
| Ur/o, -uria
- Polyuria, anuria | Urine |
| Olig/o
- Oliguria | Scanty, less than normal |
| Pexy
- Nephropexy | To surgically reattach, fix in normal position |
| Orchid/o, test/o
- Orchiditis, orchidectomy, testicular artery, testosterone | Testes |
| Balan/o
- Balanitis | Head of the penis |
| Andro
- Androgenic, androgynous | Male |
| Prostat/o
- Prostatitis, prostatectomy | Prostate |
| Vas/o
- Vas deferens, vasectomy | Vessel, duct |
| -rrhaphy
- Herniorrhaphy | To suture |
| Hyster/o, metr/
- Hysterectomy, endometritis | Uterus |
| Salping/o, -salpinx
- Salpingitis, hematosalpinx, hysterosalpingogram | Uterine tube |
| Colp/o
- Colporrhaphy, colpoplasty, colposcopy | Vagina |
| Oophor/o
- Oophorectomy, oophoropexy | Ovary |
| Men/o
- Menarche, dysmenorrhea | Menstruation |
| -pareunia, coitus
- Dyspareunia, precoital, postcoital | Intercourse |
| -itis
- Tonsillitis, appendicitis | Inflammation |
| -osis
- Cyanosis | Abnormal condition |
| -ectomy
- Appendectomy, tonsillectomy | To cut out (remove) |
| -otomy
- Tracheotomy | To cut into |
| -ostomy
- Colostomy | To make a mouth |
| A/an
- Anemia | Without, none |
| Micro
- Microstomia | Small |
| Macro
- Macrostomia | Large |
| Mega/ -megaly
- Megacolon | Enlarged |
| -scopy/ -scopic
- Colonoscopy | To look, observe |
| -graphy/ -graph
- Mammography | Recording an image |
| -gram
- Mammogram | The image (x-ray) |
| -ology/ -ologist
- Cardiologist, nephrologist | Study, specialize in |
| Stomato
- Stomatitis | Mouth |
| Dento
- Dentist | Teeth |
| Glosso/linguo
- Glossitis, lingual nerve | Tounge |
| Gingivo
- Gingivitis | Gums |
| Encephalo
- Encephalitis | Brain |
| Gastro
- Gastritis | Stomach |
| Entero
- Gastroenteritis | Intestine |
| Colo
- Colitis, megacolon | Large intestine |
| Procto
- Proctitis, proctologist | Anus/rectum |
| Hepato
- Hepatitis, hepatomegaly | Liver |
| Nephro/rene
- Nephrosis, renal artery | Kidney |
| Dermo
- Dermatitis | Skin |
| Masto/mammo
- Mammography, mastectomy | Breast |
| Osteo
- Osteoporosis, osteoma | Bones |
| Cardio
- Electrocardiogram (ECG) | Heart |
| Rhino
- Rhinitis, rhinorrhea (runny nose) | Nose |
| Phlebo/veno
- Phlebitis, phlebotomy | Veins |
| Hemo/emia
- hematologist, anemia | Blood |
| Leuk/o
- Leukemia | White |
| Melan/o
- Melanoma | Black |
| Cyan/o
- Cyanosis | Blue |
| Xanth/o
- Xanthoma | Yellow |
| Aden/o
- Adenoma | Gland |
| Lip/o
- Lipoma | Fat |
| My/o
- Myoma | Muscle |
| Lymph/o
- Lymphoma | Lymph tissue |
| Carcin/o
- Carcinoma | Malignant (cancerous) |
| Endo
- Endoscopy | Within, inside of |
| Peri
- Perianal | Around |
| Circum
- Circumcise | Around |
| Rertro
- Retrosternal | Behind |
| Epi
- Epidermis | Upon, on top |
| Trans
- Transurethral | Through |
| Intra
- Intravenous | Within |
| Sub
- Subclavian | Below |
| 30 ml = | 1 oz |
| 1 tsp = | 5 ml |
| 1 gr = | 60 mg |
| 15 gr = | 1 g |
| 2.54 cm = | 1 in |
| 2.2 lb = | 1 kg |
| 1 smc = | 240 ml |
| Brady | Slow/fast |
| Hemi | Remove half |
| Chol/e
- Cholecystitis, cholecystectomy | Gall, bile |
| Cyst/o | Bladder, sac |
| Emes/o
- Emesis, emetic, antiemetic | Vomit |
| Lith/o
- Cholelithotomy | Stone |
| Lapar/o
- Laparotomy | Abdominal wall |
| -centesis
- Abdominocentesis | To puncture |
| -tripsy
- Cholelthotripsy | To crush |
| -rrhea
- Diarrhea | Flow, discharge |
| -iasis/ -osis
- Cholelithiasis | Abnormal condition |
| Laryng/o
- Laryngotomy, laryngectomy | Larynx, "voice box" |
| Trache/o
- Tracheotomy, tracheostomy | Trachea, "windpipe" |
| Bronch/o
- Bronchoscopy | Lung air passageways |
| Pne/u, -pnea
- Tachypnea, dyspnea, apnea | Breath, air, lung |
| Pulmo/o
- Pulmonary artery | Lung |
| -ptysis
- Hemoptysis | Spitting |
| -plasty
- Rhinoplasty | Reconstruction |
| Dys | Difficult, painful, abnormal |
| Angie/o | Vessel |
| Cyte | Cell |
| Cephalo | Head |
| Encephalo | Inside head |
| Myel/o | Spinal cord |
| Neur/o | Nerve |
| Mening/o | Membranes surrounding the brain/spinal cord |
| Cele | Hernia, abnormal protrusion of structure out of normal anatomical position |
| Pathy | Disease, abnormality |
| Plasia | Development, formation, growth |
| -plegia | Paralysis |
| Stasis | To stop |
| Tachy | Rapid, fast |
| -malacia
- Osteomalacia, chondromalacia | Softening |
| -porosis
- Osteoporosis | Porous |
| -asthenia
- Myasthenia gravis | Weakness, loss of strength |
| -trophy
- Atrophy (shriveling of muscles) | Development, stimulation, maitenance |
| -algia, algesia
- myalgia, arthralgia, analgesia (take away pain) | Pain |
| Chondr/o
- Chrondritis, chondroma, chondrocyte | Cartilage |
| Arthr/o
- Arthritis, arthroplasty, | Joint |
| Myel/o
- Myeloma | Bone marrow |
| Ten/o, tendin/o
- Tendonitis, tenorrhaphy | Tendon (binds muscle to bone) |
| Ligament/o
- Ligamentous injury | Ligament (binds bone to bone) |
| Burs/o
- Bursitis | Bursa, "bag", (shock absorber between tendons and bones) |
