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Gen combining forms
General Combining Forms
| Form | Meaning | Example |
|---|---|---|
| Abdomin/o | Abdomen | Abdominocentesis |
| Aden/o | Gland | Adenectomy |
| Angi/o | Vessel | Angiogram |
| Arteri/o | Artery | Arteriograph |
| Arthr/o | Joint | Arthroscopy |
| Ather/o | Fatty, porridge-like | Atherosclerosis |
| Balan/o | Glans penis | Balanoplasty |
| Bronch/o | Bronchus | Bronchoscope |
| Bucc/o | Cheek | Buccal |
| Burs/o | Bursa, sac | Bursitis |
| Carcin/o | Cancer, cancerous | Carcinogenic |
| Cardi/o | Heart | Cardiologist |
| Carp/o | Wrist | Carpal |
| Cephal/o | Head | Cephalodynia |
| Cerebr/o | Cerebrum, brain | Cerebral |
| Chol/e | Gall, bile | Cholelithiasis |
| Cost/o | Rib | Intercostal |
| Crani/o | Cranium (skull) | Craniotomy |
| Cyst/o | Urinary bladder | Cystoscopy |
| Cyt/o | Cell | Cytology |
| Derm/ dermat/o | Skin | Dermatologist |
| Encephal/o | Brain | Hydroencephalitis |
| Electr/o | Electricity, electrical activity | Electroencephalogram |
| Enter/o | Intestines | Enteritis |
| Esophag/o | Esophagus | Esophageal |
| Gastr/o | Stomach | Gastrectomy |
| Gingiv/o | Gums | Gingivitis |
| Gynec/o | Woman | Gynecomastia |
| Hem/a or hemat/o | Blood | Hematolysis |
| Hepat/o | Liver | Hepatoma |
| Hist/o | Tissue | Histology |
| Hydr/o | Water | Hydrocele |
| Hyster/o | Uterus | Hysterectomy |
| Kerat/o | Cornea | Keratotomy |
| Lacrim/o | Tear duct, tears | Lacrimal |
| Lact/o | Milk | Lactose |
| Lapar/o | Abdomen | Laparoscopy |
| Laryng/o | Larynx (voice box) | Laryngitis |
| Lingu/o | Tongue | Sublingual |
| Lip/o | Fat | Lipoma |
| Mamm/ mast/o | Breast | Mastectomy |
| Men/o | Menses, menstruation | Menarche |
| My/o | Muscle | Myalgia |
| Myel/o | Spinal cord, bone marrow | Myelitis |
| Nas/o | Nose | Nasal |
| Nat/o | Birth | Prenatal |
| Necr/o | Death | Necrosis |
| Nephr/o | Kidney | Nephrotomy |
| Neur/o | Nerve | Neuropathy |
| Noct/o | Night | Nocturia |
| Ocul/o | Eye | Interocular |
| Olig/o | Scanty, few | Oligouria |
| Oophor/o | Ovaries | Oophorec- tom |
| Orch/ orchid/o | Testes | Orchidoplasty |
| Oste/o | Bone | Osteoarthritis |
| Ot/o | Ear | Otalgia |
| Phleb/o | Vein | Phlebotomy |
| Phren/o | Diaphragm | Phrenoplegia |
| Proct/o | Rectum | Proctologist |
| Psych/o | Mind | Psychiatrist |
| Pulmon/o | Lungs | Pulmonary |
| Py/o | Pus | Pyorrhea |
| Ren/o | Kidney | Renal |
| Rhin/o | Nose | Rhinoplasty |
| Salping/o | Fallopian tubes | Salpingotomy |
| Sperm/ spermat/o | Sperm, spermatic cord | Spermatolysis |
| Spir/o | Breathe, respiration | Spirometer |
| Spleen/o | Spleen | Splenectomy |
| Stern/o | Sternum | Sternal |
| Stomat/o | Mouth | Stomatitis |
| Ten/tendin/o | Tendon | Tenalgia |
| Th orac/o | Thorax (chest) | Thoracocentesis |
| Thromb/o | Clot | Thrombocyte |
| Tox/o | Poison, toxic | Toxicology |
| Tympan/o | Eardrum | Tympanometer |
| Ur/o | Urine | Urology |
| Vas/o | Vessel | Vasectomy |
| Vertebr/o | Vertebrae | Vertebral |
| Xer/o | Dry | Xerosis |